Øyeren is a lake in the Glomma River watershed, southeast of the city of Lillestrøm. It is located within the municipalities of Enebakk, Lillestrøm, and Rælingen in Akershus county and Indre Østfold m

Rælingen is a village and municipality in Akershus county, Norway. It is part of the traditional region of Romerike. The administrative centre of the municipality is the village of Fjerdingby. Rælinge