New Taipei City (Chinese: 新北市; pinyin: Xīnběi Shì; Pe̍h-ōe-jī: Sin-pak-chhī) is a special municipality and the most populous city in Taiwan. Located in northern Taiwan, the city includes a substantial stretch of the island's northern coastline and surrounds the Taipei Basin, making it the second largest special municipality by area, behind Kaohsiung. New Taipei City is bordered by Keelung to the northeast, Yilan County to the southeast, and Taoyuan to the southwest. It completely surrounds Taipei. Banqiao District is it's municipal seat and the biggest commercial area.