In most 4 and 5* hotels in BKK there are very good patisserie/boulangerie. They can be found in the Plaza Athenee, Grand Hyatt Erawan,(both located near the Intercon) Silom Sofitel, Peninsula, Oriental. The Oriental and Peninsula also run branch shops and restaurants in the Siam Parragon and other locations. As was also noted there are at least 2 branches of Lenotre(which is an Accor Hospitality Company) in the Silom Sofitel and Parragon@Silom .