Tongguanshan District (simplified Chinese: 铜官山区; traditional Chinese: 銅官山區; pinyin: Tóngguānshān Qū) is a district under the administration of Tongling City in, Anhui Province, People's Republic of China. It has a total area of 30 square kilometres (12 sq mi), and a population of approximately 260,000. The district's postal code is 244000.It was merged with Shizishan District to form Tongguan District in October 2015.[citation needed]