In order to address these gaps, the Human Rights Center (HRC), Save the Children, and Plan International partnered on a long-term research initiative to strengthen child marriage prevention and response in humanitarian settings. This qualitative study, the second phase of the three-phase initiative, sought to better understand the risk and protective factors, decision-making processes, service and support needs of girls and their caregivers that contribute to vulnerability to child marriage, and community perspectives on solutions for addressing and responding to child marriage in humanitarian settings.