Dorbod Banner

Dorbod Banner or Siziwang Banner (Mongolian: ᠳᠥᠷᠪᠡᠳ ᠬᠣᠰᠢᠭᠤ; Chinese: 四子王旗) is a banner (county equivalent) in Ulanqab, Inner Mongolia, China, bordering Mongolia's Dornogovi Province to the northwest. It is located about 80 km (50 mi) north of Hohhot, the capital of Inner Mongolia.

The banner spans 25,513 square kilometres (9,851 mi), and has a population of 129,372 as of 2020. Its seat of government is located in Wulanhua.