🇨🇭 Olten, Switzerland

Olten is a city in Switzerland with a population of around 17,000 people. It is located on the Aare River and is well-connected by rail, making it a transportation hub. While Olten does not have ports or shipyards, it does have a strong manufacturing sector, including factories producing machinery and precision instruments that may be of interest to seafarers, shipowners, and crewing companies.