The NIMA GEOnet Names Server (GNS) is aware of three places with this name, and the one located at 29°36'54"N 52°32'19"E seems as good a guess as any, in the absence of additional information.
NAME DESIG. LATITUDE LONGITUDE AREA UTM JOG NO.
Shiraz
PPL 29°36'54"N 52°32'19"E IR07 XN47 NH39-12
Shiraz: see Shiraz, Shahrestan-e
ADMD 29°45'00"N 53°00'00"E IR00 XN99 NH39-12
Shiraz
PPL 37°25'49"N 45°55'31"E IR01 NG84 NJ38-11