Gender-based violence (GBV) is one of the most prevalent public health threats in the world today, withas many as one in four women affected. Household water insecurity is the inability to access and benefitfrom affordable, adequate, reliable and safe water for well-being and healthy living. Thus, this researchseeks to explore whether water insecurity is associated with gender-based violence in the home and, if so,under what circumstances in Sumba, Indonesia, and Tambogrande, Peru. For this, a mixed methodology was designed, with qualitative and quantitative instruments. In the case ofPeru, 358 surveys were applied to adult women from two populated centers, Community 1, which has a totalpopulation of 1,771, and Community 2, which has a total population of 941, both located in rural areas.from Tambogrande, Piura. 51 in-depth interviews and 5 participatory workshops were also carried outwith the communities and local public servants. With this, it is sought that the results help to identifypolicies and practices that contribute to the vulnerability or resilience of women.