Lushunkou District is affiliated to Dalian City, Liaoning Province. It is located at the southernmost tip of the Liaodong Peninsula. It is a municipal district of Dalian City, Liaoning Province, Northeast China. It was originally part of Luda City.

It borders the Yellow Sea to the east, the Bohai Sea to the west, faces the Shandong Peninsula across the sea to the south, and Dalian to the north, 45 kilometers away from the urban area of ??Dalian.

The land length of Lushunkou District is 26.1 kilometers from north to south and 31.2 kilometers from east to west, with a total area of ??506.8 square kilometers (2013) and a coastline of 169.7 kilometers.

The population was 206,950 (at the end of 2011). In 2005, the GDP of Lushunkou District reached 8.11 billion yuan.

1234 Lushunkou District is a national scenic spot, a national nature reserve, and a national forest park.

There is a world-famous natural ice-free port in the territory, Lushun Port, which is the maritime gateway of Beijing and Tianjin and the natural barrier of Northeast China.

The newly opened Lushun New Port is the "golden waterway" connecting the Liaodong Peninsula and Shandong Peninsula.