Liugong Island is a small island located on the northeastern edge of Shandong Peninsula, China, at the mouth of Weihai Bay. It is known as the "birthplace of China's first modern navy" and is also the site of its defeat in the First Sino-Japanese War.

Weihai, formerly Weihaiwei, is a prefecture-level city and major seaport city in easternmost Shandong province of China. It borders Yantai to the west and the Yellow Sea to the east, and is the closest Chinese city to South Korea.