Transylvania is a region of central Romania, known as Ardeal in Romanian, Erdel in Turkish, Siebenburgen in German, Erdely in Hungarian. The region is bound on the east and south by the Carpathians, and the region has historically included parts of neighboring Hungary. Transylvania contains major cities such as Cluj-Napoca, Brasov, and Sibiu, and it has had a rich history - it had seen the invasions of the Avars, Huns, Slavs, and Magyars, the control of the Kingdom of Hungary and Austrian Empire, and the rule of the Principality of Transylvania from 1570 to 1711.