Wikipedia
Øymark
Øymark is a former municipality now located in Marker municipality in Østfold county, Norway.
Øymark was originally a part of Aremark formannskapsdistrikt (from 1837), but on 1 July 1903 Øymark was separated from Aremark to form a separate municipality. At that point Øymark had a population of 1,832. On 1 January 1964 Øymark was merged with Rødenes to form the new municipality of Marker. Before the merger Øymark had a population of 2,091.