🇨🇭 Grellingen, Switzerland

Grellingen is a small municipality located in the canton of Basel-Landschaft, Switzerland. It has a population of around 1,200 people. While it is not directly located on the coast or have any ports or shipyards, it could still be of interest to seafarers, shipowners, or crewing companies due to its proximity to the Rhine River, which is a major European waterway used for shipping and transportation.