The subregion called "Indre Østfold" is formed by 10 municipalities. The population is all together nearly 60.000 people. All communities have a local youth council. Now they go together and form a regional youth council. Friday 21th May a proposal with bylaws was put forward to the Regional Council and adopted. The youth council will have the right to meet and speak and forward proposals to the Regional Council.

Aremark is located along the border to Sweden. Marker is in the north, Halden in the south and Rakkestad in the west. Aremark has close to 1500 inhabitants and is a typical agriculturl municipality with a lot of forest . The municipality also has forest based industry and the lakes connected to the Halden water ways are important assets for tourism. The main settlement is Fosby.