Substance addiction is a social problem that influences all dimensions of individuals' lives, closing off their environment and disrupting their lives. Structuring the prosperity of society through youths, who have gained self-consciousness regarding the thought that healthy societies are able to occur through healthy generations and who have developed awareness on regarding substance addiction and addicts, is important for the future of the world and all countries. The aim of this research is to determine the levels of awareness levels (knowledge, comprehension, application, analysis, synthesis and evaluation sub-dimensions), attitudes, and stigmatization of youths between the ages of 1-29 living in Ankara, Turkey regarding substance addiction and addicts. It also aims to look for differentiations among the variables of addiction according to employment status, educational status, gender, age range, and educational status. Voluntarily participating in the research, which was designed as a survey model and uses the mixed-methods strategy, are 1,117 youths. Overall, seminars, conferences, information meetings, and projects have an impact on youths' awareness levels.