* Wyndham Hotels & Resorts is converting the 400-room Westin Washington, D.C. City Center Hotel to the Wyndham Washington, D.C. The hotel offers a 6,200-square-foot ballroom, 16 meeting rooms, a business center, and a health club.

* Destination Hotels & Resorts has taken over management of the ANA Hotel, Washington, D.C., and the ANA Hotel San Francisco. The renamed Washington Monarch Hotel has 415 rooms and 29,000 square feet of meeting space, including a 186-seat auditorium equipped with teleconferencing, as well as multilingual translation and audiovisual capabilities. Over the next year, the hotel will receive $12 million in improvements. The renamed Argent Hotel San Francisco has 667 rooms and can accommodate meetings of up to 1,400 attendees. Over the next five years, Destination Hotels & Resorts will spend $20 million improving the hotel's meeting space and restaurant.

* The Ritz-Carlton, Washington, D.C., is now owned by Starwood Hotels & Resorts and has become the Westin Fairfax. The hotel's 147 rooms and 59 suites reflect the elegance of turn-of-the-century Washington. The hotel also offers 10 meeting rooms.