🇿🇦 Cullinan, South Africa

Cullinan is a small town located in the Gauteng province of South Africa. It has a population of around 5,000 people. While it does not have any ports or shipyards, Cullinan is known for its diamond mine, which produces some of the world's largest gem-quality diamonds. This may be of interest to seafarers, shipowners, or crewing companies involved in the diamond trade.