The Taipei–Keelung metropolitan area also commonly known as Greater Taipei Area is the largest metropolitan area in Taiwan. It is composed of 3 administrative divisions: Taipei, New Taipei City and Keelung. The region encompasses an area of 2,457.13 square kilometers and a population of 7,034,084 as of 2019. It is the most populous and the most densely p…The Taipei–Keelung metropolitan area also commonly known as Greater Taipei Area is the largest metropolitan area in Taiwan. It is composed of 3 administrative divisions: Taipei, New Taipei City and Keelung. The region encompasses an area of 2,457.13 square kilometers and a population of 7,034,084 as of 2019. It is the most populous and the most densely populated metropolitan area in Taiwan, with one-third of Taiwanese people living and working there. In some sources, Taoyuan City is considered as part of the metropolitan area on a broader extent, but is usually considered as a metropolitan area of its own.