This document summarizes UNDP's work on HIV and key populations in urban contexts. The objectives are to build the capacity of community-led organizations representing key populations, improve access to HIV/STI services and programming targeted for key populations, and access to justice and human rights programs. Activities are underway in 18 countries focusing on municipalities in Asia, Africa, Latin America and Eastern Europe. The methodology involves community engagement, reviewing policies/programs, a needs assessment, validation meetings, and developing action plans. Progress updates indicate implementation has started in several cities, and highlights include political endorsement in Lagos and establishing the first NGO for male sex workers in Santo Domingo. Lessons learned include engaging partners early and ensuring municipal