Arenzano

Arenzano (local ) is a coastal town and "comune" in the Metropolitan City of Genoa, Liguria, northern Italy, facing the Ligurian Sea. , it has a population of 11,445. This varies during the holiday seasons due to tourist flow.
There are a number of festivals during the summer. 
The town is home to many of the employees of the nearby architectural firm of Renzo Piano.
Geography.
Arenzano is located in the Riviera di Ponente section of the Italian Riviera, within a bay formed by the Capo San Martino not far from the metropolitan capital of Genoa.
Part of the municipality territory, which is mountainous by grossly two thirds, is within the boundaries of the Parco naturale regionale del Beigua.
The vast majority of the town's territory extends in the mountain range of the Beigua Regional Park with peaks above 1000m above the sea level. 
Arenzano major rivers are:
History.
According to historical sources, the first residential settlement was linked to a primitive settlement of the Roman Empire in the first centuries after Christ. The ancient toponym of the municipality, Arentianis, would go back to a property or possession of the Arentii Ligurian family. As well as the nearby towns and villages, it followed the historical vicissitudes of nearby Genoa in the early medieval period, and therefore in the Middle Ages.