Sister cities of Calgary

Calgary /ˈkælɡ(ə)ri/ is a city in the province of Alberta, Canada. It is situated on the Bow River in the south of the province, in an area of foothills and prairie, approximately 80 km (50 mi) east of the front ranges of the Canadian Rockies. The city is located in the grassland and parkland natural regions of Alberta. As of the 2011 census, the City of Calgary had a population of 1,096,833 and a metropolitan population of 1,214,839, making it the largest city in Alberta, and the third-largest municipality and fifth-largest metropolitan area in Canada.

Located 294 km (183 mi) south of Edmonton, Statistics Canada defines the area between these cities as the "Calgary–Edmonton Corridor." Economic activity in Calgary is mostly centred on the petroleum industry and agriculture. In 1988, Calgary became the first Canadian city to host the Olympic Winter Games.

Calgary has ranked fairly high in some Mercer Quality of Living Surveys, from 25th place in 2006 to 32nd place for 2012. Calgary was ranked as the world's cleanest city by Forbes Magazine in 2007. Also, Mercer ranked Calgary as the world's top eco-city for 2010. More recently, the latest 2012 and 2013 report from the Economist Intelligence Unit said Calgary was tied for fifth-best place, with Adelaide, to live in the world. In addition, Money Senses's "Best Places to Live in Canada for 2013" study, ranks Calgary as the number one best city overall.