Hvaler is a
municipality that is a group of islands in the southwestern part of
Østfold county,
Norway. The administrative centre of the municipality is the village of
Skjærhalden, on the island of
Kirkeøy. The only police station in the municipality is located in Skjærhalden. Hvaler was established as a municipality on 1 January 1838 (see
formannskapsdistrikt).