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There is an consensus that places obesity as a main public health problem of the 21st century. Most of the epidemiological research in this field has focused on the role of individual factors linked to lifestyles such as diet and physical activity. However, since the emergence of the notion of obesogenic environments and the consolidation of the social determinants of health approach, the influence of contextual factors (physical, socioeconomic, cultural, and political) becomes a crucial topic to better understand and address the obesity epidemic.In Argentina, the third of the adult population had obesity in 2018, with an overall rising trend in the last years. There is evidence suggesting the obesity follows a social gradient in this country: its prevalence decreases with increases in the socioeconomic level. This chapter analyses and illustrates by maps the distribution of obesity prevalence among specific social groups. Our purpose was to study the territorial patterns of social inequity in the health and nutrition of the Argentine population, particularly considering geographical differentials in obesity burden according to sex, age, and socioeconomic conditions. Public databases such as 2005, 2009, and 2013 editions of the National Survey of Risk Factors (National Health Ministry) were used.First, the chapter introduces the notion of obesity as a complex multicausal pathology and highlights the importance to have a broader view of the socio-environmental determinants of the obesity epidemic. Second, we provide and interpret thematic maps for 2005, 2009, and 2013 that represent the spatio-temporal distributions of the age-standardized obesity rate by sexes, and the specific prevalences by age groups (young, middle-aged and older adults), education level (population with complete university studies vs. without complete primary education) and poverty (population with or without unsatisfied basic needs). Finally, the chapter discusses the role of public policies in the last years in Argentina and the challenges to address the ongoing obesity epidemic within the context of an intersectoral work. Fil: Pou, Sonia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Ciencias de la Salud. Universidad Nacional de Córdoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina. Universidad Nacional de Córdoba. Facultad de Medicina. Escuela de Nutrición. Cátedra de Estadística y Bioestadística; Argentina Fil: Aballay, Laura Rosana. Universidad Nacional de Córdoba. Facultad de Medicina. Escuela de Nutrición. Cátedra de Estadística y Bioestadística; Argentina Fil: Huergo, Juliana. Universidad Nacional de Cordoba. Instituto de Estudios En Comunicacion, Expresion y Tecnologias. - Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Cordoba. Instituto de Estudios En Comunicacion, Expresion y Tecnologias.; Argentina