Marker is a municipality in the county of Østfold, Norway, with a population of about 3,409 people.
Drive in or take the bus from neighbouring municipalities like Aremark, Rakkestad, Eidsberg, Rømskog, Aurskog-Høland or from Sweden. European route E18 goes through the municipality.
Use a car or public transport like buses for longer distances, there are no trains. Walk otherwise.
The municipality borders with Aremark, Rakkestad, Eidsberg, and Rømskog, all in Østfold. Also Aurskog-Høland in Akershus, and with Sweden.
Primary administrative division