The Center for Sociological Research (CIS) is a prominent autonomous body associated with the Ministry of the Presidency, Justice, and Parliamentary Relations, dedicated to understanding the dynamics of Spanish society. Established to foster scientific study, the CIS specializes in designing and implementing a variety of research studies, largely through surveys, to enrich public knowledge about social realities across Spain's autonomous communities. Key functions include analyzing and diagnosing prevailing social conditions, which provide essential insights for public authorities in shaping policies.

The CIS also maintains extensive databases, publishes research findings, and offers a variety of educational resources aimed at promoting scientific inquiry in social sciences. Their offerings include training scholarships for postgraduates, research grants, and specialized courses in applied social research and data analysis. The organization actively disseminates its findings through publications such as the Spanish Journal of Sociological Research and facilitates public engagement through transparency initiatives and access to survey data. Overall, the CIS plays a critical role in cultivating a deeper understanding of societal trends in Spain.