Clarington is a municipality in Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

, Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 in the Regional Municipality of Durham. It took its present name in 1994 after having been known as the Town of Newcastle from 1974-93. The name change was made to alleviate long-standing confusion between the municipality as a whole and the included village of the same name. Bowmanville is the largest community in the municipality and is the home of the municipal offices.