It was built for the purpose of Japanese-Russian exchanges with the wish of the return of the Northern Territories. "Ni ho-ro" is a letter taken from the head of Hokkaido, Japan and Russia, which connects the two countries. Abundant materials such as photographs, books, and maps are published in the exhibition room and theater, and you can learn about the history of the Northern Four Islands, people's lives and Russian culture. From the observation room on the second floor, you can enjoy a majestic view of Okhotsk, and on a sunny day you can see the island shadow of the island.