WEBSamsun. Samsun, historically known as Sampsounta (Greek: Σαμψούντα) and Amisos (Ancient Greek: Ἀμισός), is a city on the north coast of Turkey and a major Black Sea port. Over 700,000 people live in the city. [2] The city is the capital of Samsun Province which has a population of over 1,350,000.