The term "Celtiberian" refers to a group of ancient peoples who lived in the central region of the Iberian Peninsula, primarily in what is now Spain. They were a mix of Celtic and Iberian cultures, which influenced their language, customs, and social structures. The Celtiberians are known for their unique art, pottery, and fortified settlements. Celtiberian society was organized into tribes, each with its own leadership and traditions. They played a significant role in the history of ancient Spain, particularly during the Roman conquest. The Celtiberians are often noted for their resistance against Roman expansion, showcasing their warrior culture and strategic skills in battle.