Itayanagi is a town located in Aomori Prefecture, Japan. As of 1 April 2020, the town had an estimated population of 13,332 in 5450 households, and a population density of 300 persons per km². The total area of the town is 41.88 square kilometres (16.17 sq mi).

The Gonō Line is a railway line in Japan linking Higashi-Noshiro Station in Akita Prefecture with Kawabe Station in Aomori Prefecture, in the northern Tōhoku region of Honshu. The line stretches 147.2 km (91.5 mi) along the Sea of Japan coast with a total of 43 stations. The Gonō Line is operated by East Japan Railway Company.