Idd is a parish and former municipality in Halden, Østfold county, Norway. The parish of Id was established as a municipality January 1, 1838 (see formannskapsdistrikt). The rural municipality was (together with Berg) merged with the city of Halden January 1, 1967. Prior to the merger Idd had a population of 7,213. The municipality (originally th... Found on http://en.wikipedia.org/wiki/Idd