Halifax is the capital and most populous municipality of the Canadian province of Nova Scotia, and the most populous municipality in Atlant…Halifax is the capital and most populous municipality of the Canadian province of Nova Scotia, and the most populous municipality in Atlantic Canada. As of 2023, it is estimated that the population of the Halifax CMA was 518,711, with 348,634 people in its urban area. The regional municipality consists of four former municipalities that were amalgamated in 1996: Halifax, Dartmouth, Bedford, and Halifax County.