What is "soeroeysund"

Sørøysund is a former municipality in Finnmark county, Norway. It is located in the present-day municipality of Hammerfest. The former municipality encompassed the eastern part of the island of Sørøya, the northern part of the island of Seiland, and the northern part of Kvaløya (with the exception of the town of Hammerfest). The administrative centre of Sørøysund was the town of Hammerfest, even though the town was not part of Sørøysund.