Traditionally, the home of the Emperor was considered the capital. From 794 through 1868, the Emperor lived in Kyoto.[2] After 1868, the seat of the Government of Japan and the location of the Emperor's home was Tokyo.[1]
In 1941, the Ministry of Education published the "designation of Tokyo as capital" (東京奠都 Tōkyō-tento?).[3]
After World War II, the new Constitution of Japan transferred the state's sovereignty from the Emperor to the people. The people of Japan are represented by the Diet of Japan in Tokyo. Consensus considers the site of the Diet is the capital of Japan.

Capital