🇨🇳 Shanhaiguan, China

Shanhaiguan is a city located in northeastern China, with a population of approximately 300,000 people. It is known for its strategic location as the eastern end of the Great Wall of China. This city would be of interest to seafarers and shipowners as it has a port, the Shanhaiguan Port, which serves as an important trade gateway for the region. Additionally, there are shipyards and factories producing ship parts, making it a potential hub for crewing companies.