This report includes evidence from the pre-Roman (Iron Age II) period in the region of Segovia based on fieldwork carried out in the 1980s. It brings together information from various museum collections, with an investigation of archaeological sites of this period and a detailed excavation project in the castle square of Cuellar. Together, this evidence is used to present some general conclusions on the different site types during the Iron Age II period, and their distribution, the economy, routes of trade and communication, defensive and domestic architecture and inter-relations with other areas.