What is the family of brands with a hotel in Istanbul Old City that operates in 52 countries?
Tayyare Apartments:  Formerly Ramada Hotel and then Merit Antique Hotel, the complex is currently a five star hotel of the Crowne Plaza Hotels & Resorts chain named Crowne Plaza Istanbul Old City. Crowne Plaza:  It forms part of the InterContinental Hotels Group family of brands, which include InterContinental Hotels & Resorts and Holiday Inn Hotels & Resorts, and operates in 52 countries with more than 400 hotels, usually located in city centers, resorts, coastal towns or near major airports.
InterContinental Hotels Group