Cisalpine Gaul (
Gallia Cisalpina), also called
Gallia Citerior or
Gallia Togata, was the part of
Italy inhabited by
Celts since the 13th century BC. Conquered by the
Roman Republic in the 220s BC, it was a
Roman province from c. 81 BC until 42 BC, when it was merged into
Roman Italy. Until that time, it was considered part of
Gaul, precisely that part of Gaul on the "hither side of the
Alps" (from the perspective of the Romans), as opposed to
Transalpine Gaul ("on the far side of the Alps").