an Entity references as follows:
Greater Tehran is the urban agglomeration around Tehran that covers the central part of the Tehran Province and eastern part of the Alborz Province, that covers the contiguous cities of Tehran, Ray, Shemirānāt, and other areas. Since the 1960s, much of Greater Tehran's growth has been caused by an influx of urban poor into informal settlements on the fringe. Greater Tehran should not be confused with the following: