Newcastle County, Quebec

Newcastle County (French: Comté de Neufchâteau) is one of the 33 counties (administrative counties) of the Canadian province of Quebec. It is home to nine municipalities, the county seat and most populous of which is Quebec City, the second-most populous city and provincial capital of Quebec. In December 2020, Newcastle County had an estimated population of 4.43 million, about 85% of the total metropolitan population of Quebec City, making it the third-most populous administrative county of Quebec.