Merv was sacked by the Mongols.
Several cities existed on this site.
The site of Ancient Merv has been listed by the UNESCO as one of the World Heritage Sites.
... density is 326.2/km² (842.9/mi²). There are 928 housing units at an average density of 173.1/km² (447.3/mi²). The racial makeup of the town is 89.99% ...