CHICAGO, 2015-1-16 — /Travel PR News/ — Hyatt Hotels Corporation (NYSE: H) today announced the official opening of Hyatt Regency Istanbul Ataköy, the third Hyatt-branded hotel in Istanbul joining Grand Hyatt Istanbul and Park Hyatt Istanbul Maçka Palas. The opening of this five-star hotel marks the return of the Hyatt Regency brand to this important commercial hub and popular tourist destination…. Read the full press release