Fukushima Prefecture was historically part of Mutsu Province.
Fukushima is the southernmost prefecture of Tohoku, and the closest to Tokyo.
*The town of Motomiya and the village of Shirasawa (both from Adachi District) is scheduled to merge to form the new city of Motomiya on New Years Day 2007.
On March 20, 2006, the town of Tajima and the villages of Tateiwa, Ina and Nangou (all from Minamiaizu District) merged to form the new town of Minamiaizu.
The town of Motomiya and the village of Shirasawa (both from the Adachi District) are scheduled to merge to form the new city of Motomiya on January 1, 2007.