The Progressive Conservative Association of Alberta was a provincial centre-right party in the Canadian province of Alberta that existed from 1905 to 2020. The party formed the provincial government, without interruption, from 1971 until the party's defeat in the 2015 provincial election under premiers Peter Lougheed, Don Getty, Ralph Klein, Ed Stelmach, Alison Redford, Dave Hancock and Jim Prentice. At 44 years, this was the longest unbroken run in government at the provincial or federal level in Canadian history.

Alberta is one of the thirteen provinces and territories of Canada. It is a part of Western Canada and is one of the three prairie provinces. Alberta borders British Columbia to the west, Saskatchewan to the east, the Northwest Territories to the north, and the U.S. state of Montana to the south. It is one of the only two landlocked provinces in Canada, with Saskatchewan being the other. The eastern part of the province is occupied by the Great Plains, while the western part borders the Rocky Mountains. The province has a predominantly continental climate but experiences quick temperature changes due to air aridity. Seasonal temperature swings are less pronounced in western Alberta due to occasional Chinook winds.