Coordinates: 41°31′59″N 111°42′24″E / 41.53306°N 111.70667°E
Dorbod (Siziwang) Banner (Mongolian: ᠳᠥᠷᠪᠡᠳ ᠬᠣᠰᠢᠭᠤ Dörbed qosiɣu, Дөрвөд хошуу, Dörwöd hoşú; Chinese: 四子王旗; pinyin: Sìzǐwáng Qí) is a banner (county equivalent) in the Ulanqab region of Inner Mongolia, China, which is located about 80 km (50 mi) north of Hohhot, the capital of Inner Mongolia.