Ustren () is a village in the municipality of Dzhebel, Kardzhali Province, southern Bulgaria. Its population was 230 as of 2011. Of the inhabitants whose ethnicity was identified, 216 were Turkish; no other ethnicities were identified in the village. The Turkish name for the village is Ustra or Ustura.
The village is situated 11 km to the southwest of Dzhebel in a mountainous area in the eastern Rhodopes and has a school, a chitalishte, and a mosque. Its most famous sight is the medieval fortress of Ustra, located approximately 2.5 kilometers from the village.
See also List of villages in Kardzhali Province
References
External links Ustren village government website