Gümüşhane is a city and the capital district of Gümüşhane Province in the Black Sea region of Turkey. The city lies along the Harşit River, at an elevation of 5,000 feet (1,500 m), about 40 miles (65 km) southwest of Trabzon. According to the 2010 census, population of Gümüşhane urban center is 28,620. The district cov.