Regional linkage in tourism development are an important requirement in the development of tourism of each country. This study explores the regional linkage experience in tourism development in Thailand and Malaysia, which has implications for regional linkage development in the Northwest of Vietnam. Research indicates the importance of regional linkage in tourism development and government policy plays an important role in promoting regional linkage. This policy should be concretized as a regional tourism linkage strategy and management units. Creating an environment that promotes initiatives for tourism linkage development in the region is an important condition to concretize regional integration directions into results. | Regional tourism linkage: Experience from Thailand, Malaysia and lessons for the northwest region of Vietnam