Now known as Trabzon, historically known as Trapezus and Trebizond, is a city on the Black Sea coast of north-eastern Turkey and the capital of Trabzon Province. Trabzon, located on the historical Silk Road, became a melting pot of religions, languages and culture for centuries and a trade gateway to Iran in the southeast and the Caucasus to the northeast. The Venetian and Genoese merchants paid visits to Trebizond during the medieval period and sold silk, linen and woolen fabric; with the Republic of Genoa having an important merchant colony within the city. Once capital city of the Empire of Trebizond between 1204 and 1461. During the Ottoman period, Trabzon, because of the importance of its port, became a focal point of trade to Iran and the Caucasus.
Lowry refers to the city in his novel Ultramarine; "Or Saigon. Or Trebizond, Or Samarkand." I said."(Pg.84).