Calgary is a city in the Canadian province of Alberta. It is situated at the confluence of the Bow River and the Elbow River in the south of the province, in an area of foothills and prairie, about east of the front ranges of the Canadian Rockies. The city anchors the south end of what Statistics Canada defines as the "Calgary–Edmonton Corridor". The city had a population of 1,239,220 in 2016, making it Albertas largest city and Canadas third-largest municipality. The economy of Calgary includes activity in the energy, financial services, film and television, transportation and logistics, technology, manufacturing, aerospace, health and wellness, retail, and tourism sectors. The Calgary CMA is home to the second-highest number of corporate head offices in Canada among the countrys 800 largest corporations. In 1988, Calgary became the first Canadian city to host the Winter Olympic Games.