This study aims to evaluate the implementation of the P4GN Program (Prevention, Eradication, Abuse, and Illicit Trafficking of Narcotics) conducted by the National Narcotics Board of South Sumatra Province (BNNP Sumsel) in Palembang City, using the CIPP evaluation model (Context, Input, Process, Product) developed by Daniel L. Stufflebeam. The research is motivated by the high rate of drug abus…