Demands on water and natural resources are increasing among the people, communities, and governments of the Lower Mekong River and Delta. These demands are felt most acutely in Thailand, Cambodia and Viet Nam, where 80 percent of people depending on the river and its rich natural resources for their livelihoods. The issues of the region around the sustainable development of natural resources require more cross-sectorial coordination and policy integration. The WANASEA project is form up to improve the cooperation between these states on water and natural resource management. The project funded by the Erasmus+ program of the European Union and lead by University of Nantes. Three training courses related to GIS tool was implement focus on integrating water and socio-economic information with existing models. We will present the results of training courses which strengthen the multidisciplinary research and exchange of expertise and knowledge of project partners.