Lethbridge is a city located in the province of Alberta, Canada. It sits on the Oldman River and is situated approximately 215 km southeast of Calgary, 169 km west of Medicine Hat, and 105 km northwest of the Canada–United States border at the Sweetgrass–Coutts Border Crossing.
As of the 2023 municipal census, Lethbridge had a population of 106,550, making it the fourth city in Alberta to surpass the 100,000-person milestone. The region's climate is characterized by warm summers, mild winters, and windy conditions, which are influenced by the nearby Canadian Rocky Mountains.