🇨🇭 Mattenbach (Kreis 7), Switzerland

Mattenbach (Kreis 7) is located in Switzerland. It is a residential area with a population of approximately 12,000 people. While it does not have any ports or shipyards, the city's proximity to Lake Constance and the Rhine River makes it a convenient base for seafarers and crewing companies operating in the region. Additionally, Switzerland's shipbuilding industry is focused on the larger lakes, so there may be opportunities for ship parts production in nearby cities.