Sambrana

Chibusan Kofun - Obusan Kofun (チブサン・オブサン古墳) are a pair of Kofun period burial mounds, located in the Jyō neighborhood of the city of Yamaga, Kumamoto, Japan. The Chibusan Kofun was designated a National Historic Site of Japan in 1922 and the Obusan Kofun was added to the designation in 1999.