Espoo is the second largest city and municipality in Finland. The population of the city of Espoo was 269,802 as of January 1st 2016. It is part of the Finnish Capital Region, and most of its population lives in the inner urban core of the Helsinki metropolitan area, along with the cities of Helsinki, Vantaa, and Kauniainen. Espoo shares its eastern border with Helsinki and Vantaa, while enclosing Kauniainen. The city is on the shore of the Gulf of Finland, in the region of Uusimaa. Other bordering municipalities of Espoo are Nurmijarvi and Vihti in the north, and Kirkkonummi in the west. The national park of Nuuksio is situated in northwestern Espoo.