sentences:  Running from Zonguldak in the west to Rize in the east, the narrow coastal strip widens at several places into fertile, intensely cultivated deltas.The Samsun area, close to the midpoint, is a major tobacco-growing region; east of it are numerous citrus groves.East of Samsun, the area around Trabzon is world-renowned for the production of hazelnuts, and farther east the Rize region has numerous tea plantations.