Birtvisi Fortress

Birtvisi Fortress - Credit: Wikimedia Commons

Birtvisi () is a ruined medieval fortress in Kvemo Kartli, Georgia, nested within limestone cliffs in the Algeti river gorge. It is now within the boundaries of the Tetritsqaro Municipality, adjacent to the Algeti National Park, south-west of the nation's capital Tbilisi.Protected Areas: Algeti National Park . Agency of Protected Areas of Georgia. Accessed June 18, 2011. Read more on Wikipedia

type: military installation
date from: None

Source: en.wikipedia.org