This document summarizes the vision, mission, activities, and structure of the Global Water Partnership (GWP), an international network that supports sustainable water resource management. The GWP's vision is of a water secure world with equitable access to water. Its mission is to support sustainable water management through a multi-stakeholder approach. The GWP network includes 13 regional and over 70 country partnerships across 157 countries that work to implement integrated water resource management.