The is a museum of modern art in the city of Wakayama, Wakayama Prefecture, Japan. The Museum first opened as the in the grounds of Wakayama Castle in 1963, before reopening on the first floor of the in 1970; in July 1994, together with the adjacent Wakayama Prefectural Museum, the Museum of Modern Art, Wakayama reopened in a new location close to the castle. The collection, from its original nucleus of 83 objects, has grown as of 2020 to some 13,000 works, including paintings by Saeki Yà «zà Â, , Teiji Takai and Mark Rothko.