evidence: One of the most unique sights in Georgia, David Gareja is a rock hewn monastery complex that sits on the border of Georgia and Azerbaijan. It is also one of the best day trips from Tbilisi that you could ask for. [...] The David Gareja is a monastery complex located about 60 KM South East of Tbilisi (about 32 KM from Rustavi or Gardabani). [...] The Monastery of David Gareja consists of 13 monasteries spread out around the complex.