It is situated in the northern Lomellina.
The village has been founded during the 14th century and it has developed around the castle.
More hypothesis about the etymology of the name exist.
Garlasco is situated among the ricefields of the Lomellina; the etymology of the name is uncertain.
The village has developed along the central road, which has Medieval origins.
The village is in the south of the province.
The village has medieval origins and it is situated in the East of the province of Pavia, which is 21 km far away, on the left bank or river Olona.
The urban arrangement is the effect of the floods of Po river.
Tromello is situated in the central Lomellina.
Valle Salimbene is situated in the Ticino Valley.
The village is situated between Po and Ticino.