🇨🇭 Diessenhofen, Switzerland

Diessenhofen is a small town located in the canton of Thurgau, Switzerland. It has a population of around 2,500 people. While it is not a major port city, it is situated on the banks of the River Rhine, which can be of interest to seafarers. Additionally, the town is known for its beautiful scenery and historic buildings, making it a charming destination for visitors.