The role of social projects in preventing radicalization and terrorism has received a growing attention in recent years. After realizing the fact that disinformation and lack of communication are among main issues feeding terrorism in the Eastern and the Southeastern Anatolia, police departments have implemented 56 social projects in 25 cities in the region since 2008 to cope with such problems. These projects can be grouped under a few headlines according to their target groups and planned activities. Feedbacks from the participants and thoughts of the police chiefs who took roles as projects managers were evaluated to determine the effectiveness of these projects. In addition, terrorists' confessions, meeting records and reports by some terrorist groups, intelligence reports, and some additional information were used to assess the results of the projects. In conclusion, the study has found that social projects have been found to be effective in preventing through improved communication between the State and the public.