🇳🇬 Maru, Nigeria

Maru is a city located in Nigeria with a population of approximately 308,000 people. While it doesn't have any ports, shipyards, or factories producing ship parts, it is surrounded by several major waterways, such as the Sokoto River and Kano River. This makes it a potential stopover or transit point for seafarers, shipowners, or crewing companies navigating these water routes.