Ilbasan or Erzen (Turki/Kypchak: çÃÂñòÃÂ) was Khan of the White Horde from 1320/1321 to 1344/1345.
During his reign, an increase in the cities, trade, and craft occurred in the Horde. After determining the boundaries of his Horde, Ilbasan appointed his deputies. Islam was used as an instrument to strengthen authority.
He died in 1344/1345.