Metropolitan Manila ( Filipino : Kalakhang Maynila ) or the National Capital Region (NCR) is among the twenty largest metropolitan areas in terms of population in the world. Metro Manila is the metropolitan area that contains Manila , the capital of the Philippines , as well as sixteen surrounding cities and municipalities, including Quezon City , the capital from 1948 to 1976. Metro Manila is the political, economic, social, and cultural center of the Philippines, and is one of the modern metropolises in Southeast Asia. Among locals, particularly those from Manila proper and those in the provinces, Metro Manila is often simply referred to as Manila ; however locals from other parts of the metropolis may see this as offensive, owing to city pride and also the fact that some cities are actually geographically closer to the neighboring provinces than to Manila itself. Metro Manila is often abbreviated to M.M..

Source: Wikipedia-Metro Manila