A joint venture of Hilton Worldwide, the parent company of Waldorf Astoria Hotels & Resorts, an Equity Group Investments affiliate and Elysian principals has acquired the Elysian Hotel Chicago in the US.

The 188-room property’s new ownership will rebrand the hotel Waldorf Astoria Chicago on 1 February 2012.

The Elysian comprises a hotel, 51 private residences, restaurants, a 14,000ft2 spa and health club, and events and meeting rooms.

The terms of the transaction were not disclosed.