Atlas Obscura can describe this place better than me.
"Sacked, abandoned and forgotten, the magnificent medieval city of Ani was once home to as many as 200,000 people, but has stood empty and in ruins for centuries.
Called by some the “City of 1001 Churches,” and by others the “City of Forty Gates,” Ani is situated in disputed territory within the Turkish province of Kars, near the border with Armenia. The city was originally Armenian, but the territory on which it stands is still argued over between modern day Turkey and Armenia.
Once a contemporary rival of Constantinople, Baghdad and Cairo, Ani fell to a succession of invaders . Both contributing to the ruin’s slow demise and as a result of its deterioration, earthquakes, war, and vandalism have all take their toll..."