1041 available apartments for rent with balcony in Helsinki-Sub County

1,041 apartments in Helsinki-Sub County found

    4 bedrooms apartment of 78.0 m² - Cozy living space
    4 bedrooms apartment of 78.0 m² - Stylish comfort
    4 bedrooms apartment of 78.0 m² - Your new rental home
    4 bedrooms apartment of 78.0 m² - Excellent rental offer
    4 bedrooms apartment of 78.0 m² - Well-planned
    4 bedrooms apartment of 78.0 m² - Bright interior
    4 bedrooms apartment of 78.0 m² - Efficient space
    4 bedrooms apartment of 78.0 m² - Clever design
    4 bedrooms apartment of 78.0 m² - Ready for rent
    4 bedrooms apartment of 78.0 m² - Airy feel
    4 bedrooms apartment of 78.0 m² - Cozy living space

    4 rooms apartment of 78m²

    Kaivokselantie 5, 01610 Vantaa, Finland

    1 334 € / month

    1 bedroom apartment of 31.0 m² - Cozy living space
    1 bedroom apartment of 31.0 m² - Stylish comfort
    1 bedroom apartment of 31.0 m² - Your new rental home
    1 bedroom apartment of 31.0 m² - Excellent rental offer
    1 bedroom apartment of 31.0 m² - Well-planned
    1 bedroom apartment of 31.0 m² - Bright interior
    1 bedroom apartment of 31.0 m² - Efficient space
    1 bedroom apartment of 31.0 m² - Clever design
    1 bedroom apartment of 31.0 m² - Ready for rent
    1 bedroom apartment of 31.0 m² - Airy feel
    1 bedroom apartment of 31.0 m² - Cozy living space
    1 bedroom apartment of 31.0 m² - Stylish comfort
    1 bedroom apartment of 31.0 m² - Your new rental home
    1 bedroom apartment of 31.0 m² - Excellent rental offer
    1 bedroom apartment of 31.0 m² - Well-planned

    1 room apartment of 31m²

    Raiviosuonmäki 3, 01620 Vantaa, Finland

    689 € / month

    2 bedrooms apartment of 50.0 m² - Cozy living space
    2 bedrooms apartment of 50.0 m² - Stylish comfort
    2 bedrooms apartment of 50.0 m² - Your new rental home
    2 bedrooms apartment of 50.0 m² - Excellent rental offer
    2 bedrooms apartment of 50.0 m² - Well-planned
    2 bedrooms apartment of 50.0 m² - Bright interior
    2 bedrooms apartment of 50.0 m² - Efficient space
    2 bedrooms apartment of 50.0 m² - Clever design
    2 bedrooms apartment of 50.0 m² - Ready for rent
    2 bedrooms apartment of 50.0 m² - Airy feel
    2 bedrooms apartment of 50.0 m² - Cozy living space

    2 rooms apartment of 50m²

    Merikotkankuja 3, 01450 Vantaa, Finland

    760 € / month

    1 bedroom apartment of 28.0 m² - Cozy living space
    1 bedroom apartment of 28.0 m² - Stylish comfort
    1 bedroom apartment of 28.0 m² - Your new rental home
    1 bedroom apartment of 28.0 m² - Excellent rental offer
    1 bedroom apartment of 28.0 m² - Well-planned
    1 bedroom apartment of 28.0 m² - Bright interior
    1 bedroom apartment of 28.0 m² - Efficient space
    1 bedroom apartment of 28.0 m² - Clever design
    1 bedroom apartment of 28.0 m² - Ready for rent

    1 room apartment of 28m²

    Tupalantie 2, 04400 Järvenpää, Finland

    620 € / month

    2 bedrooms apartment of 55.0 m² - Cozy living space
    2 bedrooms apartment of 55.0 m² - Stylish comfort
    2 bedrooms apartment of 55.0 m² - Your new rental home
    2 bedrooms apartment of 55.0 m² - Excellent rental offer
    2 bedrooms apartment of 55.0 m² - Well-planned
    2 bedrooms apartment of 55.0 m² - Bright interior
    2 bedrooms apartment of 55.0 m² - Efficient space
    2 bedrooms apartment of 55.0 m² - Clever design
    2 bedrooms apartment of 55.0 m² - Ready for rent
    2 bedrooms apartment of 55.0 m² - Airy feel
    2 bedrooms apartment of 55.0 m² - Cozy living space
    2 bedrooms apartment of 55.0 m² - Stylish comfort
    2 bedrooms apartment of 55.0 m² - Your new rental home
    2 bedrooms apartment of 55.0 m² - Excellent rental offer
    2 bedrooms apartment of 55.0 m² - Well-planned
    2 bedrooms apartment of 55.0 m² - Bright interior
    2 bedrooms apartment of 55.0 m² - Efficient space
    2 bedrooms apartment of 55.0 m² - Clever design
    2 bedrooms apartment of 55.0 m² - Ready for rent
    2 bedrooms apartment of 55.0 m² - Airy feel
    2 bedrooms apartment of 55.0 m² - Cozy living space
    2 bedrooms apartment of 55.0 m² - Stylish comfort

    2 rooms apartment of 55m²

    Kaivolahdenkatu, 00880 Helsinki, Finland

    1 016 € / month

    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned
    2 bedrooms apartment of 47.0 m² - Bright interior
    2 bedrooms apartment of 47.0 m² - Efficient space
    2 bedrooms apartment of 47.0 m² - Clever design
    2 bedrooms apartment of 47.0 m² - Ready for rent
    2 bedrooms apartment of 47.0 m² - Airy feel
    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned
    2 bedrooms apartment of 47.0 m² - Bright interior
    2 bedrooms apartment of 47.0 m² - Efficient space
    2 bedrooms apartment of 47.0 m² - Clever design
    2 bedrooms apartment of 47.0 m² - Ready for rent
    2 bedrooms apartment of 47.0 m² - Airy feel
    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned

    2 rooms apartment of 47m²

    Ullantorppa 2, 02750 Espoo, Finland

    772 € / month

    1 bedroom apartment of 43.0 m² - Cozy living space
    1 bedroom apartment of 43.0 m² - Stylish comfort
    1 bedroom apartment of 43.0 m² - Your new rental home
    1 bedroom apartment of 43.0 m² - Excellent rental offer
    1 bedroom apartment of 43.0 m² - Well-planned
    1 bedroom apartment of 43.0 m² - Bright interior
    1 bedroom apartment of 43.0 m² - Efficient space
    1 bedroom apartment of 43.0 m² - Clever design
    1 bedroom apartment of 43.0 m² - Ready for rent
    1 bedroom apartment of 43.0 m² - Airy feel
    1 bedroom apartment of 43.0 m² - Cozy living space
    1 bedroom apartment of 43.0 m² - Stylish comfort
    1 bedroom apartment of 43.0 m² - Your new rental home
    1 bedroom apartment of 43.0 m² - Excellent rental offer
    1 bedroom apartment of 43.0 m² - Well-planned
    1 bedroom apartment of 43.0 m² - Bright interior
    1 bedroom apartment of 43.0 m² - Efficient space
    1 bedroom apartment of 43.0 m² - Clever design
    1 bedroom apartment of 43.0 m² - Ready for rent
    1 bedroom apartment of 43.0 m² - Airy feel
    1 bedroom apartment of 43.0 m² - Cozy living space
    1 bedroom apartment of 43.0 m² - Stylish comfort
    1 bedroom apartment of 43.0 m² - Your new rental home
    1 bedroom apartment of 43.0 m² - Excellent rental offer
    1 bedroom apartment of 43.0 m² - Well-planned

    1 room apartment of 43m²

    Laajaniitynkuja 5, 01620 Vantaa, Finland

    853 € / month

    2 bedrooms apartment of 46.0 m² - Cozy living space
    2 bedrooms apartment of 46.0 m² - Stylish comfort
    2 bedrooms apartment of 46.0 m² - Your new rental home
    2 bedrooms apartment of 46.0 m² - Excellent rental offer
    2 bedrooms apartment of 46.0 m² - Well-planned
    2 bedrooms apartment of 46.0 m² - Bright interior
    2 bedrooms apartment of 46.0 m² - Efficient space
    2 bedrooms apartment of 46.0 m² - Clever design
    2 bedrooms apartment of 46.0 m² - Ready for rent
    2 bedrooms apartment of 46.0 m² - Airy feel
    2 bedrooms apartment of 46.0 m² - Cozy living space
    2 bedrooms apartment of 46.0 m² - Stylish comfort
    2 bedrooms apartment of 46.0 m² - Your new rental home
    2 bedrooms apartment of 46.0 m² - Excellent rental offer
    2 bedrooms apartment of 46.0 m² - Well-planned
    2 bedrooms apartment of 46.0 m² - Bright interior
    2 bedrooms apartment of 46.0 m² - Efficient space
    2 bedrooms apartment of 46.0 m² - Clever design
    2 bedrooms apartment of 46.0 m² - Ready for rent
    2 bedrooms apartment of 46.0 m² - Airy feel
    2 bedrooms apartment of 46.0 m² - Cozy living space
    2 bedrooms apartment of 46.0 m² - Stylish comfort
    2 bedrooms apartment of 46.0 m² - Your new rental home
    2 bedrooms apartment of 46.0 m² - Excellent rental offer
    2 bedrooms apartment of 46.0 m² - Well-planned

    2 rooms apartment of 46m²

    Valtuustokatu 4, 01370 Vantaa, Finland

    758 € / month

    1 bedroom apartment of 27.0 m² - Cozy living space
    1 bedroom apartment of 27.0 m² - Stylish comfort
    1 bedroom apartment of 27.0 m² - Your new rental home
    1 bedroom apartment of 27.0 m² - Excellent rental offer
    1 bedroom apartment of 27.0 m² - Well-planned
    1 bedroom apartment of 27.0 m² - Bright interior
    1 bedroom apartment of 27.0 m² - Efficient space
    1 bedroom apartment of 27.0 m² - Clever design
    1 bedroom apartment of 27.0 m² - Ready for rent
    1 bedroom apartment of 27.0 m² - Airy feel
    1 bedroom apartment of 27.0 m² - Cozy living space
    1 bedroom apartment of 27.0 m² - Stylish comfort
    1 bedroom apartment of 27.0 m² - Your new rental home
    1 bedroom apartment of 27.0 m² - Excellent rental offer

    1 room apartment of 27m²

    Isosaarentie 4, 00840 Helsinki, Finland

    789 € / month

    4 bedrooms apartment of 74.0 m² - Cozy living space
    4 bedrooms apartment of 74.0 m² - Stylish comfort
    4 bedrooms apartment of 74.0 m² - Your new rental home
    4 bedrooms apartment of 74.0 m² - Excellent rental offer
    4 bedrooms apartment of 74.0 m² - Well-planned
    4 bedrooms apartment of 74.0 m² - Bright interior
    4 bedrooms apartment of 74.0 m² - Efficient space
    4 bedrooms apartment of 74.0 m² - Clever design
    4 bedrooms apartment of 74.0 m² - Ready for rent
    4 bedrooms apartment of 74.0 m² - Airy feel
    4 bedrooms apartment of 74.0 m² - Cozy living space
    4 bedrooms apartment of 74.0 m² - Stylish comfort
    4 bedrooms apartment of 74.0 m² - Your new rental home
    4 bedrooms apartment of 74.0 m² - Excellent rental offer
    4 bedrooms apartment of 74.0 m² - Well-planned
    4 bedrooms apartment of 74.0 m² - Bright interior
    4 bedrooms apartment of 74.0 m² - Efficient space

    4 rooms apartment of 74m²

    Isosaarentie 4, 00840 Helsinki, Finland

    1 539 € / month

    2 bedrooms apartment of 45.0 m² - Cozy living space
    2 bedrooms apartment of 45.0 m² - Stylish comfort
    2 bedrooms apartment of 45.0 m² - Your new rental home
    2 bedrooms apartment of 45.0 m² - Excellent rental offer
    2 bedrooms apartment of 45.0 m² - Well-planned
    2 bedrooms apartment of 45.0 m² - Bright interior
    2 bedrooms apartment of 45.0 m² - Efficient space
    2 bedrooms apartment of 45.0 m² - Clever design
    2 bedrooms apartment of 45.0 m² - Ready for rent
    2 bedrooms apartment of 45.0 m² - Airy feel
    2 bedrooms apartment of 45.0 m² - Cozy living space
    2 bedrooms apartment of 45.0 m² - Stylish comfort
    2 bedrooms apartment of 45.0 m² - Your new rental home
    2 bedrooms apartment of 45.0 m² - Excellent rental offer
    2 bedrooms apartment of 45.0 m² - Well-planned
    2 bedrooms apartment of 45.0 m² - Bright interior
    2 bedrooms apartment of 45.0 m² - Efficient space
    2 bedrooms apartment of 45.0 m² - Clever design
    2 bedrooms apartment of 45.0 m² - Ready for rent
    2 bedrooms apartment of 45.0 m² - Airy feel
    2 bedrooms apartment of 45.0 m² - Cozy living space
    2 bedrooms apartment of 45.0 m² - Stylish comfort
    2 bedrooms apartment of 45.0 m² - Your new rental home
    2 bedrooms apartment of 45.0 m² - Excellent rental offer
    2 bedrooms apartment of 45.0 m² - Well-planned

    2 rooms apartment of 45m²

    Viidakkopolku 8, 01400 Vantaa, Finland

    818 € / month

    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned
    2 bedrooms apartment of 49.0 m² - Bright interior
    2 bedrooms apartment of 49.0 m² - Efficient space
    2 bedrooms apartment of 49.0 m² - Clever design
    2 bedrooms apartment of 49.0 m² - Ready for rent
    2 bedrooms apartment of 49.0 m² - Airy feel
    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer

    2 rooms apartment of 49m²

    Valimokuja 2, 04410 Järvenpää, Finland

    930 € / month

    1 bedroom apartment of 37.0 m² - Cozy living space
    1 bedroom apartment of 37.0 m² - Stylish comfort
    1 bedroom apartment of 37.0 m² - Your new rental home
    1 bedroom apartment of 37.0 m² - Excellent rental offer
    1 bedroom apartment of 37.0 m² - Well-planned
    1 bedroom apartment of 37.0 m² - Bright interior
    1 bedroom apartment of 37.0 m² - Efficient space
    1 bedroom apartment of 37.0 m² - Clever design
    1 bedroom apartment of 37.0 m² - Ready for rent
    1 bedroom apartment of 37.0 m² - Airy feel
    1 bedroom apartment of 37.0 m² - Cozy living space
    1 bedroom apartment of 37.0 m² - Stylish comfort
    1 bedroom apartment of 37.0 m² - Your new rental home
    1 bedroom apartment of 37.0 m² - Excellent rental offer

    1 room apartment of 37m²

    Uutiskatu 3, 00240 Helsinki, Finland

    905 € / month

    2 bedrooms apartment of 46.0 m² - Cozy living space
    2 bedrooms apartment of 46.0 m² - Stylish comfort
    2 bedrooms apartment of 46.0 m² - Your new rental home
    2 bedrooms apartment of 46.0 m² - Excellent rental offer
    2 bedrooms apartment of 46.0 m² - Well-planned
    2 bedrooms apartment of 46.0 m² - Bright interior
    2 bedrooms apartment of 46.0 m² - Efficient space
    2 bedrooms apartment of 46.0 m² - Clever design
    2 bedrooms apartment of 46.0 m² - Ready for rent

    2 rooms apartment of 46m²

    Kiskottajankuja 2, 02650 Espoo, Finland

    900 € / month

    2 bedrooms apartment of 52.0 m² - Cozy living space
    2 bedrooms apartment of 52.0 m² - Stylish comfort
    2 bedrooms apartment of 52.0 m² - Your new rental home
    2 bedrooms apartment of 52.0 m² - Excellent rental offer
    2 bedrooms apartment of 52.0 m² - Well-planned
    2 bedrooms apartment of 52.0 m² - Bright interior
    2 bedrooms apartment of 52.0 m² - Efficient space
    2 bedrooms apartment of 52.0 m² - Clever design
    2 bedrooms apartment of 52.0 m² - Ready for rent
    2 bedrooms apartment of 52.0 m² - Airy feel
    2 bedrooms apartment of 52.0 m² - Cozy living space
    2 bedrooms apartment of 52.0 m² - Stylish comfort
    2 bedrooms apartment of 52.0 m² - Your new rental home

    2 rooms apartment of 52m²

    Kiskottajankuja 2, 02650 Espoo, Finland

    925 € / month

    2 bedrooms apartment of 39.0 m² - Cozy living space
    2 bedrooms apartment of 39.0 m² - Stylish comfort
    2 bedrooms apartment of 39.0 m² - Your new rental home
    2 bedrooms apartment of 39.0 m² - Excellent rental offer
    2 bedrooms apartment of 39.0 m² - Well-planned
    2 bedrooms apartment of 39.0 m² - Bright interior
    2 bedrooms apartment of 39.0 m² - Efficient space
    2 bedrooms apartment of 39.0 m² - Clever design
    2 bedrooms apartment of 39.0 m² - Ready for rent
    2 bedrooms apartment of 39.0 m² - Airy feel
    2 bedrooms apartment of 39.0 m² - Cozy living space
    2 bedrooms apartment of 39.0 m² - Stylish comfort

    2 rooms apartment of 39m²

    Pähkinämäentie 255, 04300 Tuusula, Finland

    626 € / month

    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned
    2 bedrooms apartment of 49.0 m² - Bright interior
    2 bedrooms apartment of 49.0 m² - Efficient space
    2 bedrooms apartment of 49.0 m² - Clever design
    2 bedrooms apartment of 49.0 m² - Ready for rent
    2 bedrooms apartment of 49.0 m² - Airy feel
    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer

    2 rooms apartment of 49m²

    Maauunintie 14, 01450 Vantaa, Finland

    760 € / month

    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned
    2 bedrooms apartment of 47.0 m² - Bright interior
    2 bedrooms apartment of 47.0 m² - Efficient space
    2 bedrooms apartment of 47.0 m² - Clever design
    2 bedrooms apartment of 47.0 m² - Ready for rent
    2 bedrooms apartment of 47.0 m² - Airy feel
    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned
    2 bedrooms apartment of 47.0 m² - Bright interior
    2 bedrooms apartment of 47.0 m² - Efficient space
    2 bedrooms apartment of 47.0 m² - Clever design
    2 bedrooms apartment of 47.0 m² - Ready for rent
    2 bedrooms apartment of 47.0 m² - Airy feel
    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home

    2 rooms apartment of 47m²

    Kaarnapolku 2, 04440 Järvenpää, Finland

    682 € / month

    2 bedrooms apartment of 39.0 m² - Cozy living space
    2 bedrooms apartment of 39.0 m² - Stylish comfort
    2 bedrooms apartment of 39.0 m² - Your new rental home
    2 bedrooms apartment of 39.0 m² - Excellent rental offer
    2 bedrooms apartment of 39.0 m² - Well-planned
    2 bedrooms apartment of 39.0 m² - Bright interior
    2 bedrooms apartment of 39.0 m² - Efficient space
    2 bedrooms apartment of 39.0 m² - Clever design
    2 bedrooms apartment of 39.0 m² - Ready for rent
    2 bedrooms apartment of 39.0 m² - Airy feel
    2 bedrooms apartment of 39.0 m² - Cozy living space
    2 bedrooms apartment of 39.0 m² - Stylish comfort

    2 rooms apartment of 39m²

    Pähkinämäentie 255, 04300 Tuusula, Finland

    620 € / month

    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned
    2 bedrooms apartment of 47.0 m² - Bright interior
    2 bedrooms apartment of 47.0 m² - Efficient space
    2 bedrooms apartment of 47.0 m² - Clever design
    2 bedrooms apartment of 47.0 m² - Ready for rent
    2 bedrooms apartment of 47.0 m² - Airy feel
    2 bedrooms apartment of 47.0 m² - Cozy living space
    2 bedrooms apartment of 47.0 m² - Stylish comfort
    2 bedrooms apartment of 47.0 m² - Your new rental home
    2 bedrooms apartment of 47.0 m² - Excellent rental offer
    2 bedrooms apartment of 47.0 m² - Well-planned
    2 bedrooms apartment of 47.0 m² - Bright interior
    2 bedrooms apartment of 47.0 m² - Efficient space
    2 bedrooms apartment of 47.0 m² - Clever design
    2 bedrooms apartment of 47.0 m² - Ready for rent
    2 bedrooms apartment of 47.0 m² - Airy feel
    2 bedrooms apartment of 47.0 m² - Cozy living space

    2 rooms apartment of 47m²

    Pähkinämäentie 255, 04300 Tuusula, Finland

    745 € / month

    2 bedrooms apartment of 54.0 m² - Cozy living space
    2 bedrooms apartment of 54.0 m² - Stylish comfort
    2 bedrooms apartment of 54.0 m² - Your new rental home
    2 bedrooms apartment of 54.0 m² - Excellent rental offer
    2 bedrooms apartment of 54.0 m² - Well-planned
    2 bedrooms apartment of 54.0 m² - Bright interior
    2 bedrooms apartment of 54.0 m² - Efficient space
    2 bedrooms apartment of 54.0 m² - Clever design
    2 bedrooms apartment of 54.0 m² - Ready for rent
    2 bedrooms apartment of 54.0 m² - Airy feel
    2 bedrooms apartment of 54.0 m² - Cozy living space
    2 bedrooms apartment of 54.0 m² - Stylish comfort
    2 bedrooms apartment of 54.0 m² - Your new rental home
    2 bedrooms apartment of 54.0 m² - Excellent rental offer

    2 rooms apartment of 54m²

    Metsolantie 50, 04430 Järvenpää, Finland

    787 € / month

Other property types in Helsinki-Sub County