Kara - black deniz - sea
Karadenizliler are famed in other parts of Turkey for being, erm...different. However, they are incredibly nice, cheerful people. They have their own distinct music, dances, style, cuisine...culture! Just think of Karadenizlis in Turkey as Osakans in Japan. Tourism here is very good, as the Karadeniz region is of course on the Black Sea coast. It is particularly frequented by Arab tourists.
Trabzon is known for it's very nice scenery, architecture...and it's football team. Trabzonspor is one of the Büyük Dört (i.e. Big Four, the others being Galatasaray, Beşiktaş and Fenerbahçe - all three of them in İstanbul), previously beating teams like Inter Milan, Liverpool, Aston Villa and Barcelona.