ISTANBUL, Turkey--(BUSINESS WIRE)--St. Regis® Hotels & Resorts, part of Starwood Hotels & Resorts, Inc. (NYSE: HOT), is delighted to debut the highly anticipated St. Regis Istanbul. Owned by Nisantasi Konaklama ve Otel Hizmetleri A.S. (Demsa Group), The St. Regis Istanbul marks the debut of the luxury brand in Turkey. St. Regis has tripled its global footprint in the last decade to 34 hotels and is set to open three more hotels this year, strengthening its position as a leader in luxury