Birjand Citadel (also Birjand Castle or Citadel of Paeenshahr) is a citadel in Birjand, South Khorasan province, Iran. The citadel has an area of 3000 m² and dates back to Safavid era. It originally had 7 towers of which, six stand today.

Sources: ISNA | Photos, Wikimapia | Birjand-Citadel