Ardahan Castle, the research reveals the remains of early Bronze Age in the region. Ascending the old name. Ardahan Castle for many years, remained Ottoman territory against attacks from the direction of the Caucasus. San Stefano Treaty of 1878 the region to Russia, the 1918 Treaty of Brest-Litovsk was back. Placement on 26 April 1919, the Georgians have suffered the invasion, 23 are joined in February 1921, the territory of Turkey.
Which are adjacent to the Black Sea Region East Anatolia region in the northeast part of the provincial territory is high and hilly. Height 3000 m peak in the province of Ardahan, many are in excess. Kelkit mountains forming the eastern section of the Coruh-Yalnızçam mountains extends along the border with the province of Artvin.