Longkou (simplified Chinese: 龙口; traditional Chinese: 龍口; pinyin: Lóngkǒu), formerly Huang County (simplified Chinese: 黄县; traditional Chinese: 黃縣; pinyin: Huáng Xiàn), is a port city in northeastern Shandong province, China, facing the Bohai Sea to the north and the Laizhou Bay to the west. Longkou, a county-level city, is administered by the prefecture-level city of Yantai. It is located in the northwest of Jiaodong Peninsula and the south bank of Bohai Bay, adjacent to Penglai District in the east, Qixia City and Zhaoyuan City in the south, Bohai Sea in the west and north, and facing Tianjin and Dalian across the sea. With a total area of 901 square kilometers, the city has jurisdiction over 5 subdistricts, 8 towns and 1 high-tech industrial park.