The Sompo Japan Nipponkoa Head Office Building is the corporate headquarters for Sompo Japan Insurance. It is located in the district Nishi-Shinjuku in Shinjuku, Tokyo, Japan. At 200 metres (656 ft), the building is the 28th tallest building in Tokyo and the 33rd tallest in Japan. It was designed by Yoshikazu Uchida. On the 42nd floor is Seiji Togo Memorial Sompo Japan Museum of Art, where one of Vincent van Gogh's "Sunflowers" series of paintings is located.