Iwashiro Province
Historical province in the western part of present-day Fukushima Prefecture, part of the old Mutsu Province before the Meiji era.
Iwashiro Province was separated from Mutsu Province at the beginning of the Meiji era.
Standard kanji spelling for the historical province name.
The name 岩代 (Iwashiro) is a historical province name; the exact origin is uncertain, but it is conventionally associated with the region's geography.