Uusimaa

Uusimaa (; , ) is a region of Finland. It borders the regions of Southwest Finland, Kanta-Häme, Päijät-Häme, and Kymenlaakso. Finland's capital and largest city, Helsinki, along with its surrounding metropolitan area, is located in the Uusimaa region, which is Finland's most populous region. Its population is 1,734,000.

electoral district in Finland

community under public law that has self-government within the area of ​​West Uusimaa, Finland