Claim: As of 31 December 2017, 5,801 of those living in Southwest Finland were from the Soviet Union, while 2,746 were originally from Sweden, and it's southernmost point is Utö, which is a small island in the Archipelago Sea.
Evidence: 31 December 2017 Soviet Union 5,801 Sweden 2,746 The southernmost point of Southwest Finland and the southernmost inhabited island is Utö.