This impact assessment examines the impact of HIV/AIDS on the five Namibian cities of Windhoek, Walvis Bay, Swakopmund, Ongwediva and Oshakati. This Summary Report forms the first volume of the study. It provides information on the context in which the five local authorities operate, background of the study and its methodology, and presents integrated findings across each of the give participating cities and towns. Subsequent volumes (2-6) present detailed findings, specific to each participating city or town. Volume 7 contains a number of appendices.