sentences:  The river then crosses into the province of Pavia and into the Lomellina area (in the communes of Castello d'Agogna and Lomello) and receives its left tributary, the Erbognone.Finally, the river flows into the Po at Balossa Bigli, part of the "comune" of Mezzana Bigli, which is near the border between the province of Pavia and the province of Alessandria.During the Napoleonic conquest of Italy, the Agogna gave its name to a department of the Kingdom of Italy with Novara as capital (See