This sector assessment, strategy, and road map (ASR) documents the current strategic assistance priorities in the tourism sector of the governments of the Greater Mekong Subregion (GMS) and the Asian Development Bank (ADB). It highlights sector performance, priority development constraints, government plans and strategies, past ADB support and experience, other development partner support, and future ADB support strategy. The ASR is linked to and informs ADB's country partnership strategies for the GMS countries - Cambodia, the People's Republic of China, the Lao People's Democratic Republic, Myanmar, Thailand, and Viet Nam - providing background information for program, investment, and technical assistance operations.