Inca culture is a research concept and interdisciplinary field of study primarily within archaeology, anthropology, and history focusing on the pre-Columbian civilization that culminated in the Inca Empire (Tawantinsuyu) across the Andean region of South America. This academic domain investigates the material culture, social organization, political systems, religious beliefs, technological innovations, and historical development of the Inca people, from their origins through the period of Spanish conquest, offering crucial understanding of complex indigenous state formation and cultural dynamics in the Americas.