Haiyang City, a county - level city in Shandong Province, is administered by Yantai City. It is located in the southeast of Shandong Peninsula, in the south of Yantai City, adjacent to Rushan and Moping in the east, Laiyang in the west, Qixia in the north, the Yellow Sea in the south, and Jimo across the Dingzi Bay in the southwest. The total land area is 1,909 square kilometers, and the sea area is 1,829 square kilometers. It has jurisdiction over 4 streets and 10 towns. According to the results of the seventh census, as of midnight on November 1, 2020, the permanent resident population of Haiyang City was 582,711.

Haiyang is the hometown of "mine warfare", Jiaodong anti-Japanese Military Area Command was founded in Zhuwu Town of Haiyang City, headquarters is located in the village of battlefield park Guo town, so far well preserved, selected as "the hometown of Chinese folk culture and art"; Xu Shiyou in Jiaodong Memorial Hall was named "Shandong Province Party history Education base"; Mine warfare Memorial Hall was announced as "the first batch of national Anti-Japanese War memorial facilities sites" and "national patriotism education demonstration base"; Haiyang Dayangko was named one of the top ten highlights of intangible cultural heritage protection in Shandong Province in 2019. Within the territory of Zhaohu Mountain national Forest Park, the largest bamboo forest in northern China - Genting bamboo forest and other scenic spots.

In 2021, the regional GDP of Haiyang City reached 45.96 billion yuan, of which the added value of the primary industry was 9.11 billion yuan, the secondary industry 15.62 billion yuan and the tertiary industry 21.23 billion yuan.