Qinglong Manchu Autonomous County (simplified Chinese: 青龙满族自治县; traditional Chinese: 青龍滿族自治縣; pinyin: Qīnglóng Mǎnzú Zìzhì Xiàn; literally: "blue (or teal) dragon") is a Manchu autonomous county of northeastern Hebei province, China, bordering Liaoning to the north and east and located in the eastern part of the Yan Mountains. It is under the administration of Qinhuangdao City, and, as of 2004, had a population of 520,000 residing in an area of 3,309 km² (1,278 sq mi).