Ottawa (/ˈɒtəwə/ or /ˈɒtəwɑː/) is the capital of Canada. It stands on the south bank of the Ottawa River in the eastern portion of Southern Ontario. Ottawa borders Gatineau, Quebec; the two form the cores of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR). The 2011 census reported a population of 883,391 within the city, and 1,236,324 within the CMA, making them the fourth-largest city and the fourth-largest CMA in Canada respectively.