🇵🇹 Mértola, Portugal

Mértola is a small city located in the Alentejo region of Portugal. With a population of around 2,800 people, it is known for its rich history and picturesque setting. While it is not a major port city, it does have a marina along the Guadiana River, which is of interest to seafarers. The city also has a small shipyard and is home to a few factories producing ship parts, making it potentially relevant to shipowners and crewing companies.