Dalian Hi-tech Zone or DHZ is an industrial district in the western suburbs of Dalian, Liaoning, China. It extends about 30 kilometres along Lüshun South Road and Guoshui Highway in Shahekou District and Lüshunkou District, where many of the world's multinational technology companies have operations.

Dalian is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city and the third-most populous city of Northeast China. Located on the southern tip of the Liaodong peninsula, it is the southernmost city in both Liaoning and the entire Northeast. Dalian borders the prefectural cities of Yingkou and Anshan to the north and Dandong to the northeast, and also shares maritime boundaries with Qinhuangdao and Huludao across the Liaodong Bay to west and northwest, Yantai and Weihai on the Shandong peninsula across the Bohai Strait to the south, and North Korea across the Korea Bay to the east.