Pinggu District (simplified Chinese: 平谷区; traditional Chinese: 平谷區; pinyin: Pínggǔ Qū), formerly Pinggu County (平谷县), lies at the extreme eastern end of Beijing Municipality, and borders Tianjin's Ji County. It has an area of 950 square kilometres (370 sq mi) and a population of 396,701 (2000 Census).