Bang Sue is one of the 50 districts (khet) located in Bangkok, Thailand. It serves as a significant administrative area within the capital city's urban layout.
The district is defined by its neighboring boundaries, bordering Chatuchak to the east and Phaya Thai to the southeast. To the south lies Dusit, while Bang Phlat and Bang Kruai are situated across the Chao Phraya River to the west. The northern boundary of the district borders Mueang Nonthaburi.