Barga is a medieval town and comune of the province of Lucca in Tuscany, central Italy. It is home to around 10,000 people and is the …Barga is a medieval town and comune of the province of Lucca in Tuscany, central Italy. It is home to around 10,000 people and is the chief town of the "Media Valle" of the Serchio River. It is one of I Borghi più belli d'Italia.