Sør-Trøndelag [ˈsøːr ˈtrœndəˈlɑːɡ]  ( listen) is a county comprising the southern portion of the Trøndelag region in Norway, bordering Nord-Trøndelag, Møre og Romsdal, Oppland and Hedmark. To the west is the Norwegian Sea (Atlantic Ocean), and to the east is Sweden. The county is separated into a northern and southern part by the Trondheimsfjord. Slightly over 200,000 of the population lives in Trondheim and its suburbs.