Taipei–Keelung metropolitan area

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 2457.13 km2 and a population of 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.

The region is the epicenter of Taiwanese culture, economy, education and government. Designated as a global city, the region exerts a significant impact on commerce, finance, media, art, fashion, research, technology, education, and entertainment, both locally and internationally. As a diplomatic center, it is the home to all consulates and embassies in Taiwan. Its economic power makes the region the country's premier commercial and financial center as well as in the region of East Asia. Considered to be a global city and rated as an Alpha - City by GaWC, Taipei is part of a major high-tech industrial area. Railways, highways, airports, and bus lines connect Taipei with all parts of the island. The metropolitan area is served by two airports – Songshan and Taoyuan.

Definition
Some international reports consider Taipei–Keelung–Taoyuan as the real complete metropolitan area.

Geography
Due to the geographical characteristics of the area, the Taipei–Keelung metropolitan area roughly corresponds to areas located within the Taipei Basin. Taipei City serves as the core of the metropolitan area where the government of Taiwan and major commercial districts are located.

Geographical Subdivision
The metropolitan area contains Taipei City, Keelung City, and New Taipei City (surrounding the two previous cities). The geographical subdivisions are listed as follows:

GDP
In 2014, the Taipei–Keelung metropolitan area's GDP per capita (PPP) was US$46,102.

Rail
The Taipei–Keelung metropolitan area is served by routes of the Taiwan Railway (Western Trunk line, Yilan line, Pingxi line, Shen'ao line) which connects it with the majority of the inhabitated places on the island and the Taiwan High Speed Rail which connects the island’s western coast.

Mass Rapid Transit
For rapid transit, Taipei and New Taipei are served by the Taipei Metro with daily trips of over 2 million passengers. The Danhai light rail is operated by New Taipei Metro. The Taoyuan Airport MRT connects Taipei City, New Taipei City and Taoyuan City with Taoyuan International Airport.

Air
The area is served by Taiwan Taoyuan International Airport for international flights while Songshan Airport is primarily for domestic flights, international flights to Tokyo and Seoul; and also cross-strait flights.

Bus
An extensive bus system serves the metropolitan area.