Senigallia is a comune and port town on Italy's Adriatic coast. It is situated in the province of Ancona in the Marche region and lies approximately 30 kilometers north-west of the provincial capital city Ancona. Senigallia's small port is located at the mouth of the river Misa. It is one of the endpoints of the Massa-Senigallia Line, one of the most important dividing lines in the classification of the Romance languages.