VerkkoWebsite. uudenmaanliitto.fi. Uusimaa ( Finnish: [ˈuːsimɑː]; Swedish: Nyland, Finland Swedish: [ˈnyːlɑnd]; both lit. 'new land') is a region of Finland. It borders the regions of Southwest Finland, Tavastia Proper (Kanta-Häme), Päijänne Tavastia (Päijät-Häme), and …