🇺🇸 Castle Hills, United States

Castle Hills is a small city located in Bexar County, Texas, United States. It has a population of around 4,000 residents. While the city doesn't have any ports, shipyards, or factories producing ship parts, it is situated within a short driving distance of the Port of San Antonio, making it convenient for seafarers, shipowners, and crewing companies to access the port facilities and services.