Trizec Properties, Inc., previously known as TrizecHahn Corporation, was a real estate investment trust headquartered in Chicago, Illinois. It was originally a Canadian company. The name is derived from the initials of the three groups (Tri) that formed Trizec Properties Ltd: Zeckendorf, Eagle Star, and Covent Gardens. In 1994, it was acquired by Peter Munk and in October 2006, it was acquired by Brookfield Properties and The Blackstone Group.