Khertvisi Fortress is located very close to the cave city of Vardzia.
Khertvisi Fortress is located on the juncture of Mtkvari and Paravani rivers, on an a rocky cliff overlooking the area. The earliest accounts of the fortress are from the IV century BC. when Alexander the Great passed by during his eastern campaign. Ever since, Khertvisi has played a big role in the safety of the surrounding villages.