Estevan is the eleventh-largest city in Saskatchewan, Canada. It is approximately 16 km (9.9 mi) north of the Canada–United States border. The Souris River runs by the city. This city is surrounded by the Rural Municipality of Estevan No. 5.

Saskatchewan is a province in Western Canada, bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and to the south by the United States. Saskatchewan and Alberta are the only landlocked provinces of Canada. In 2023, Saskatchewan's population was estimated at 1,225,493. Nearly 10% of Saskatchewan's total area of 651,900 km2 (251,700 sq mi) is fresh water, mostly rivers, reservoirs, and lakes.