The Ainu originally inhabited all islands of present day Japan as well as southern Sakhalin which is part of Russia. Hunters gatherers who lived in autonomous villages they were gradually disenfranchised by the Japanese.
Rowland & Chinami Ricketts: Untitled Noren Partition 29 4 x 4 grid of gradated circles on White ground. (Detail of stitching and bug knot binding panels together.) Indigo dyed fine ramie, paste resist x 2010