One of seven sacred Hindu cities, the capital (as Ujjayini) of the Aryan Avanti kingdom (6th-4th century BC), near Indore on the main route from the Ganges plain to the Bombay coast. In the 2nd century BC, Ujjain was the seat of the emperor Ashoka, the last of the Mauryan rulers and an early influential Buddhist. Greek geographer Ptolemy (2nd century AD) called it Ozene, the capital of the Western Satraps (i.e. the Greek, Scythian, and Parthian rulers of western India). Black-and-red and painted gray wares and the use of iron are associated with the earliest occupation, succeeded by an occupation with Northern Black Polished Ware.