Beijing (Chinese: 北京; pinyin: Běijīng; Wae-Giles: Peiching or Pei3-ching1; IPA: [pèitɕíŋ]; Chinese Postal Map Romanization: Peking; pronunciation (help·info)), a metropolis in Northern China, is the capital of the People's Republic of China (PRC). It is also known in English as Peking (English pronunciation (info)). Beijing is also one of the four municipalities of the PRC, which are equivalent to provinces in China's administrative structure and is one of the Four Great Ancient Capitals of China. Beijing Municipality borders Hebei Province to the north, west, south, and for a small section in the east, and Tianjin Municipality to the southeast.