Definition: The word "Finland" comes from the Swedish language. The term Finland means a long, narrow peninsula located at the north end of Lake Inari in northern Sweden. The specific country that borders it is Finland. The name was derived from its long name as an adjective (fin) and the suffix -land (landa). Finnish is the official language of Finland. Finland has three main cities: Helsinki, Turku, and Viida. Its capital city, Turku, is known for its picturesque medieval city walls and beautiful harbor.