Istanbul’s new Raffles goes above and beyond.

Why Go: Zincirlikuyu was not a destination detailed in Istanbul guidebooks until 2013, when the four-tower, $2.5 billion Zorlu Center opened in the hilltop district. At the complex, among Turkey’s largest performing-arts center, a high-end shopping mall, residences, and office space, Raffles Istanbul welcomed its first guests in September. Panoramic views over the city are one of the 181-room hotel’s biggest selling points, and its metro-accessible location is m…