Brandon is the second-largest city in the province of Manitoba, Canada. It is located in the southwestern corner of the province on the banks of the Assiniboine River, approximately 214 km (133 mi) west of the provincial capital, Winnipeg, and 120 km (75 mi) east of the Saskatchewan border. Brandon covers an area of 77.41 km2 (29.89 sq mi) with a population of 51,313, and a census metropolitan area population of 54,268. It is the primary hub of trade and commerce for the Westman Region as well as parts of southeastern Saskatchewan and northern North Dakota, an area with a population of over 190,000 people.

The Assiniboine River is a 1,070-kilometre (660 mi) river that runs through the prairies of Western Canada in Saskatchewan and Manitoba. It is a tributary of the Red River. The Assiniboine is a typical meandering river with a single main channel embanked within a flat, shallow valley in some places and a steep valley in others. Its main tributaries are the Qu'Appelle, Souris, and Whitesand Rivers. For early history and exploration see Assiniboine River fur trade.