This book aimed to investigate factors that affect the prevention of gender-based violence against women in Adama City. The study utilized a descriptive survey design, supplemented by quantitative and qualitative data. The target population consisted of 495 police officers in the Adama city police administration, with a sample size of 54 respondents. Additionally, 16 participants were included in Key Informant Interviews (KIIs) conducted through structured interviews. Both sampling techniques were systematic random sampling for probability sampling and non-purposive sampling for non-probability sampling. The quantitative data obtained through questionnaires were analyzed using descriptive statistics, such as frequency, percentage, mean, and standard deviation, and inferential statistics, such as Pearson correlation coefficients and multiple regressions using SPSS version 26. Qualitative data obtained through interviews were analyzed thematically.