This glossary of common terminology used in shared water resources was prepared in cooperation with the Federal Institute for Geosciences and Natural Resources (BGR) in Hanover, Germany through a joint project with the Economic and Social Commission for Western Asia. ESCWA promotes economic and social development through enhancing the sustainable development of its member countries. The glossary includes technical, socio-economic and legal institutional terms and is intended for specialists, decision makers and negotiators from ESCWA member countries.