The northernmost town in Taitung County's East Rift Valley, it is bordered on the north by Hualien County's Fuli Township. It is located in the broadest segment of the East Rift Valley.
為台東縱谷最北鄉鎮，北與花蓮縣富里鄉為鄰，居花東縱谷最寬廣之地。