Tarraconensis was a Roman province located in the northeastern part of the Iberian Peninsula, primarily covering modern-day Catalonia, Aragon, and parts of Valencia. Established in the 1st century BCE, it was named after its capital, Tarraco, which is now known as Tarragona. The province played a significant role in the Roman Empire, serving as a key administrative and military center. The region was known for its rich agricultural land and strategic location, facilitating trade and military movements. Tarraconensis was also home to various cultures, including Celtiberians and Romans, leading to a blend of traditions and influences that shaped its development throughout the Roman period.