It is the main ensemble in Bukhara center, situated on the way to trade crossing of “four bazars” and Poi-Kalyan means “the pedestal of the Great” (it means “the pedestal of Kalyan minaret”). Ensemble consists of 4 monuments: Kalyan mosque and Miri-Arab Madrasah – faced to each other with main fronts; between them is Kalyan minaret; to the south of Miri-Arab there is small Amir-Allimkhan Madrasah.