With the increase in protracted humanitarian crises, there is a growing need for more efficient international cooperation between humanitarian, development and peace policy instruments. The Humanitarian-Development-Peace-Nexus (HDP-nexus) approach aims to overcome institutional dividing lines and achieve more coherent collaboration. While various UN initiatives strategically promote the implementation of the HDP-nexus, the UN Country Teams in South Sudan, Cameroon and Kenya in particular have pioneered the operationalization of the nexus. Bottom-up and area-based approaches, among others,…