🇨🇭 Au, Switzerland

Au is a small municipality located in the canton of St. Gallen, Switzerland. It has a population of around 3,000 people. While it is not a prominent maritime city, it does offer access to Lake Constance, which can be of interest to seafarers and water enthusiasts. The city may not have specific facilities like ports or shipyards, but its proximity to the lake provides opportunities for recreational boating and sailing.