Some municipalities considered part of the GTA are not within Toronto's Census Metropolitan Area (CMA) whose land area (5,904 km2 in 2006)[REF] and population (5,928,040 as of the 2016 census)[REF] is thus smaller than the land area and population of the GTA planning area.
The term "Greater Toronto and Hamilton Area" (GTHA) refers to the usual GTA plus the former Regional Municipality of Hamilton-Wentworth, which was amalgamated to become the City of Hamilton in 2001.