Rajagukguk, O. and Yuniastuti, E. 2025. Mapping of Crime-Prone Areas Using Geographic Information Systems in Pematang Siantar City in 2025. Tunas Geografi. 13, 2 (Oct. 2025), 87–108. DOI:https://doi.org/10.24114/tgeo.v13i2.68998.