The Koster Islands situated 10 km west of Strömstad, Sweden, comprises an archipelago surrounding the two largest islands, South Koster and North Koster. South Koster has an area of 8 kmÂČ and North Koster an area of 4 kmÂČ.
The Koster Islands situated 10 km west of Strömstad, Sweden, comprises an archipelago surrounding the two largest islands, South Koster and North Koster. South Koster has an area of 8 kmÂČ and North Koster an area of 4 kmÂČ.