Shichinohe Castle was a Japanese castle located in what is now the town of Shichinohe, in Kamikita District of Aomori Prefecture. It was a hirayama-style castle built on a 40-meter hilltop spreading northwest from a junction between the Sakuda and Wada rivers. It originally consisted of seven enclosures, each with earthen ramparts, and with several moats.

The Tenno Shrine, also known as Tenno Jinja, is a historic Shinto shrine located in Aomori City, Aomori Prefecture, in the Tohoku region of Japan. This shrine is dedicated to the worship of Emperor Tensho, who reigned during the late 16th century. It is not only a place of religious significance but also a cultural and historical landmark that provides visitors with insight into the region's heritage.