Xinyi Planning District, also known as the Xinyi Planning Area, is located in Xinyi District, Taipei, Taiwan. The total area of the Xinyi Planning District is 153 hectares. It was designed in the 1970s and developed from the 1980s onward. Xinyi Planning District is the prime central business district of Taipei. Important infrastructure, such as Taipei 101, Taipei City Hall, Taipei International Convention Center and Taipei World Trade Center, is located within this area.

Taipei, officially Taipei City, is the capital and a special municipality of Taiwan. Located in Northern Taiwan, Taipei City is an enclave of the municipality of New Taipei City that sits about 25 km (16 mi) southwest of the northern port city of Keelung. Most of the city rests on the Taipei Basin, an ancient lakebed. The basin is bounded by the relatively narrow valleys of the Keelung and Xindian rivers, which join to form the Tamsui River along the city's western border.