Chahar Right Back Banner (simplified Chinese: 察哈尔右翼后旗; traditional Chinese: 察哈爾右翼後旗; pinyin: Cháhā'ěr Yòuyì Hòuqí; Mongolian: Цахар ар баруун хошуу) is a banner of Inner Mongolia, People's Republic of China, bordering Shangdu County to the northeast, Xinghe County to the southeast, Chahar Right Front Banner to the south, Zhuozi County to the southwest, Chahar Right Back Banner to the west, Siziwang Banner to the northwest, and Xilin Gol to the north. It is under the administration of Ulaan Chab City, which lies to the south along the G55 Erenhot–Guangzhou Expressway.