High Quality Content by WIKIPEDIA articles! Greater Orlando, also called the Orlando Metropolitan Area and known for census purposes as the Orlando-Kissimmee-Sanford, Florida Metropoltian Statistical Area, is a metropolitan area in the central part of the US state of Florida. Its principal cities are Orlando and the smaller municipalities of Kissimmee and Sanford. The U.S. Office of Management and Budget defines it as consisting of Lake County, Orange County (including Orlando), Osceola County (including Kissimmee), and Seminole County (including Sanford). Greater Orlando has a population of 2,082,421 according to the U.S. Census Bureau`s 2009 population estimates. It is the third most populous metropolitan area in Florida and the 27th largest in the country and the fifth largest in the Southeast.