Gallia, known as Gaul in English, was a region of Western Europe during the Iron Age and Roman period. It encompassed modern-day France, Luxembourg, Belgium, and parts of Switzerland, Italy, and the Netherlands. The area was inhabited by various Celtic tribes and was characterized by its diverse cultures and languages. In 58-50 BC, Gallia was conquered by the Roman general Julius Caesar during the Gallic Wars. This conquest led to the integration of Gallia into the Roman Empire, significantly influencing its culture, language, and governance. The region eventually became a vital part of Roman civilization, contributing to the spread of Latin and Roman customs.