Welcome to Treasure Oasis Hotel Treasure Oasis Hotel is in the city of Siem Reap, Cambodia, the Jewel of Indochina and the home of the Angkor temples. The Treasure Oasis Hotel is located in the heart of Siem Reap town and only ten kilometers away from the gateway of the magnificent of Angkor Wat. Treasure Oasis Hotel is an ideal base for discovering the splendid wonders of the Angkor heritage and its temples. The hotel is just ten minutes from the Siem Reap international airport and five minutes to Siem Reap town. Treasure Oasis Hotel is a Cambodian and Singapore owned stylish 4-star hotel in Siem Reap. Its design, decor and furnishing showing the Khmer Architecture scriptures with beautifully designed furniture, fittings and antiques reflected in the finest in Cambodian architecture befitting royalty.