Marriott International, Inc. today announced a signed agreement with HTL Gateway LLC to open AC Hotels by Marriott Ulaanbaatar. This strategic move is set to mark Marriott’s entry in Mongolia, underscoring the company’s vision to strategically grow its presence across Asia Pacific. Expected to open in 2027, AC Hotel by Marriott Ulaanbaatar will reflect the brand’s signature design philosophy that harmonizes form and function, offering purposeful design, flexible spaces, and signature moments for a new generation of discerning business and leisure travelers.