Birjand (Persie: بیرجند, Romanizit as Bīrjand an Birdjand an aw) is the east Iranian provincial caipital o Sooth Khorasan an the centre o the Birjand Coonty. Quhestan, kent for its saffron, barberry, rug an handmade cairpet exports. [1] The ceety o Birjand haed a population o 157,848 fowk at the time o the last offeecial census in 2006.