Marker is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Ørje. Marker was created a…Marker is a municipality in Østfold county, Norway. The administrative centre of the municipality is the village of Ørje. Marker was created as a new municipality on 1 January 1964 following the merger of the two former municipalities of Rødenes and Øymark.