Khertvisi fortress (Georgian: ხერთვისის ციხე). is situated in the Meskheti region of southern Georgia. Its strategic location guards the road connecting the towns of Akhalkalaki and Akhaltsikhe. A fortification was first built on the site in the 2nd century BC. But was reputedly destroyed by Alexander the Great. The castle dates from the fourteenth century. Situated on a high rocky outcrop the fortress overlooks the village of Khertvisi. The confluence of the Mtkvari and Paravani Rivers. At more than 150 meters along and more than 30 meters wide Khertvisi. is one of the biggest fortresses in Georgia.

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