Scholars have identified Albracca with
Bukhara in modern
Uzbekistan, in part because the siege of Albracca by Agrican described in the Orlando innamorato resembles the historic siege of Bukhara by
Genghis Khan in 1220.[4]
Sources
Boiardo: Orlando innamorato ed. Giuseppe Anceschi (Garzanti,1978)
Boiardo: Orlando innamorato, verse translation by Charles Stanley Ross (Oxford University Press, 1995), Book I, Cantos 10-19 and Explanatory Notes, pp. 401-402.
ISBN0-19-282438-4