The article updates the need to study the role and importance of sports in the system of socialization and health-saving behavior of youth in the region (using the example of the Republic of Tatarstan). The understanding of the socialization system is being updated through the prism of the totality of the diversity of determination mechanisms and conditions that can act, including the conditions for the formation of value systems for a healthy lifestyle and playing sports, which formulated the research problem presented in this article. The results of the author's sociological research obtained by the questionnaire in the Republic of Tatarstan in 2023 are presented (N = 820 people aged 18 to 35 years, a target sample; the selection criteria – a gender, an age, a region of residence). During the analysis of the survey data, the assumption was formulated that at the regional level, the role of sports and sports infrastructure in the system of socialization of youth and the implementation of health-saving behavior can be assessed through empirical indicators – internal and external determinants. Today It that young people in general highly appreciate the role of sports and the prestige of a healthy lifestyle, as well as the orientation of the infrastructure of their region towards sports as a priority form of leisure and recreation among young people, designating sports infrastructure as one of the signifi cant conditions in the formation of value systems for health-saving behavior and motivator for playing sports and developing the sports movement among the younger generation. The analysis of the data obtained and identifi cation of the role of sports as one of the determinative imperatives in the system of socialization of youth objectifi es its role in the focus of the need to understand the direct infl uence of internal attitudes on playing sports and environmental factors, such as sports infrastructure, conditions, mechanisms, directions and programs for supporting sports among youth of the region in modern conditions.