was an old province in the area that is today Fukushima Prefecture

Fukushima Prefecture

is a prefecture of Japan located in the Tōhoku region on the island of Honshu. The capital is the city of Fukushima.-History:Until the Meiji Restoration, the area of Fukushima prefecture was known as Mutsu Province....

 and Miyagi Prefecture

Miyagi Prefecture

is a prefecture of Japan in the Tōhoku Region on Honshu island. The capital is Sendai.- History :Miyagi Prefecture was formerly part of the province of Mutsu. Mutsu Province, on northern Honshu, was one of the last provinces to be formed as land was taken from the indigenous Emishi, and became the...

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History

This iteration of Iwaki Province lasted for a brief period of time in Nara period

Nara period

The of the history of Japan covers the years from AD 710 to 794. Empress Gemmei established the capital of Heijō-kyō . Except for 5 years , when the capital was briefly moved again, it remained the capital of Japanese civilization until Emperor Kammu established a new capital, Nagaoka-kyō, in 784...

. Established in 718

718

Year 718 was a common year starting on Saturday of the Julian calendar. The denomination 718 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Europe :* Tervel's reign as monarch of Bulgaria...

 with the division of Mutsu Province

Mutsu Province

was an old province of Japan in the area of Fukushima, Miyagi, Iwate and Aomori prefecture and the municipalities of Kazuno and Kosaka in Akita Prefecture...

, it was composed of five district of Iwaki (石城), Shineha (標葉), Namekata (行方), Uta (宇太), Watari (曰理) and Kikuta (菊多). Only Kikuta district was given from Hitachi Province

Hitachi Province

was an old province of Japan in the area of Ibaraki Prefecture. It was sometimes called . Hitachi Province bordered on Iwashiro, Iwaki, Shimousa, and Shimotsuke Provinces....

. Abolished and returned to Mutsu sometime between 722

722

Year 722 was a common year starting on Thursday of the Julian calendar. The denomination 722 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Americas :* January 3 – K'inich Ahkal Mo' Naab...

 and 724

724

Year 724 was a leap year starting on Saturday of the Julian calendar. The denomination 724 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.- Asia :* Emperor Shōmu succeeds Empress Genshō on the...

. Kikuta moved to Mutsu at that time.