Eidsberg
| Eidsberg Municipality Eidsberg kommune | |
|---|---|
|  | |
| Østfold within Norway | |
| Eidsberg within Østfold | |
| Coordinates: 59°32′13″N 11°21′37″E / 59.53694°N 11.36028°E | |
| Country | Norway | 
| County | Østfold | 
| District | Smaalenene | 
| Administrative centre | Mysen | 
| Government | |
| • Mayor (2003) | Knut Jørgen Herland (Sp) | 
| Area  (upon dissolution) | |
|  • Total | 236 km2 (91 sq mi) | 
| • Land | 229 km2 (88 sq mi) | 
| • Rank | #311 in Norway | 
| Population  (2004) | |
|  • Total | 10,121 | 
| • Rank | #100 in Norway | 
| • Density | 44/km2 (110/sq mi) | 
| • Change (10 years) | +10.5% | 
| Demonym | Eidsberging | 
| Official language | |
| • Norwegian form | Bokmål | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| ISO 3166 code | NO-0125 | 
| Website | Official website | 
Eidsberg was a municipality in Østfold county, Norway. The administrative centre of the municipality was the town of Mysen. In 2020, Eidsberg was absorbed into the Indre Østfold municipality.
Eidsberg was established as a municipality on 1 January 1838 (see formannskapsdistrikt). The town of Mysen was separated from Eidsberg to form a municipality of its own on 1 July 1920, but it was merged back into the municipality of Eidsberg on 1 January 1961.