🇨🇭 Oberaargau, Switzerland

Oberaargau is a region in Switzerland, not a city. It is located in the canton of Bern and has a population of approximately 150,000 people. While it may not have any major ports or shipyards, it is situated in close proximity to major rivers and lakes, offering opportunities for recreational boating and sailing. The region's picturesque landscapes and outdoor activities make it an attractive destination for seafarers and nature enthusiasts alike.