Celtiberia , an area in the present-day North Central Spain cast from the 3rd century BC to be further thought of by tribes of mixed Iberian and Celtic camps. These Celtiberians inhabited the hill country between the sources of the Tejo (Tajo) and Iberus (Ebro) rivers, including most of the modern province Soria and most of the neighboring provinces Guadalajara and Teruel . In historical times, the Celtiberians consisted of Arevaci , Belli, Titti and Lusones. The earliest population of Celtiberia was that of the southeastern Almería- Culture the Bronze Age After that came Hallstatt invaders who occupied the area just before 600 v . Chr . occupied . The Hallstatt people were in turn subdued by the Arevaci, who led the neighboring Celtiberian tribes from the powerful strongholds of Okilis (modern Medinaceli) and Numantia from dominated . The Belli and the Titti were settled in the Jalón Valley, the Sierra del Solorio separated them from the Lusones to the northeast.
The material culture Celtiberia was heavily influenced by the Iberian People of the Ebro Valley. Horses, daggers, and shield fittings testify to the martial nature of the Celtiberians, and one of their inventions, the double-edged Spanish sword, was later adopted by the Romans.
The Celtiberians first submitted to the Romans 195 v . Ch. but they were only 133 v. Completely under Roman rule , as Publius Cornelius Scipio Aemilianus destroyed Numantia. The Roman city of Clunia (Peñalba de Castro) later became the administrative center.