This document discusses water management activities in Central Asia carried out by the International Office for Water and the International Network of Basin Organizations. It summarizes projects conducted in Central Asia to support improved water data management, including developing an online water data portal in Kazakhstan, producing a regional hydrological bulletin, and analyzing water information systems in Tajikistan and Turkmenistan to facilitate legal frameworks for integrated water data administration. The overall goal was to build national and local water management capacities to reinforce integrated water resources management and cooperation in transboundary basins in the region.