The south-eastern Transylvania region in Romania currently has one of the highest numbers of existing fortified churches from the 13th to 16th centuries. It has more than 150 well preserved fortified churches of a great variety of architectural styles.

Transylvania is a historical and cultural region in Central Europe, encompassing central Romania. To the east and south its natural border is the Carpathian Mountains and to the west the Apuseni Mountains. Broader definitions of Transylvania also include the western and northwestern Romanian regions of Crișana and Maramureș, and occasionally Banat. Historical Transylvania also includes small parts of neighbouring Western Moldavia and even a small part of south-western neighbouring Bukovina to its north east. The capital of the region is Cluj-Napoca.