The United Nations Liaison Office for Peace and Security (UNLOPS) represents the entities of the United Nations Secretariat in New York that support Member States and the Secretary-General in maintaining international peace and security: the Departments of Peace Operations (DPO), Political and Peacebuilding Affairs (DPPA), Operational Support (DOS) and the Office of Counter-Terrorism (OCT). UNLOPS was established in 2011 and is based in Brussels, Belgium.   

UNLOPS supports the partnership between the United Nations and the European Union (EU) and other Brussels-based organizations on peace and security matters across the spectrum from conflict prevention to crisis management, peace operations and counter-terrorism. UNLOPS contributes to strengthening institutional dialogue and improving coordination on policy and the planning and conduct of peace operations.