🇺🇸 Columbus, United States

Columbus is the capital of Ohio and has a population of around 900,000. While not directly on the coast, it is navigable from the Gulf of Mexico via the Ohio River. The city is home to several major ports on the river, making it a hub for shipping and transportation. Additionally, Columbus has a strong manufacturing sector, including factories producing ship parts, making it an important city for seafarers, shipowners, and crewing companies.