Satellite map of South Kvarken
Map of South Kvarken
South kvarken (Swedish: Södra Kvarken) is the narrowest stretch of sea between Finnish Åland and Sweden, forming a strait connecting the Sea of Åland and the Bothnian Sea of approximately 30 km (18.5 mi) across.
Latitude: 60° 08' 57.12" N
Longitude: 19° 10' 21.00" E