Fukushima is the southernmost prefecture of the Tōhoku region and the third largest in Japan by area, covering about 13,784 km².
It is bordered by Miyagi and Yamagata to the north, Niigata to the northwest, Gunma and Tochigi to the south, and Ibaraki to the southeast. The Pacific Ocean coastline runs along its east side.
The capital is Fukushima City, with a population of about 280,000. Other important cities include Kōriyama, Iwaki, and Aizuwakamatsu. It is divided into three main regions: Hamadōri (coastal), Nakadōri (central basin), and Aizu (mountainous west). Scenic sites include Mount Bandai and Lake Inawashiro.
The flag of Fukushima was adopted on October 30, 1967. It shows a stylized white form of the hiragana of “Fukushima” (ふ, fu) in circular shape, representing harmony, placed on a deep orange field.
| Capital City | Area | 2023 Population |
| Fukushima City | 13,783.9 km2 (5,322.0 sq mi) | 1,771,100 |
Japanese prefectural flag designs are used for educational purposes under fair use. Sources include public domain and freely licensed content.