Halifax Regional Municipality (2001 pop.: 359,111), commonly referred to as HRM, is a Canadian regional municipality, the largest population centre in both the Province of Nova Scotia and the Atlantic region, the provincial capital, and a major economic centre of Canada's east coast.

The Halifax Regional Municipality is a major economic centre in eastern Canada with a large concentration of government services and private sector companies. Major employers and economic generators include the Department of National Defence, as well as the Port of Halifax.