Arquata Scrivia railway station

Vignole Borbera (Ligurian: Ei Vgnêue; Genoese: Vigneue) is a comune (municipality) in the Province of Alessandria in the Italian region of Piedmont, located about 100 kilometres (62 mi) southeast of Turin and about 30 kilometres (19 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 2,154 and an area of 8.5 square kilometres (3.3 sq mi). The municipality of Vignole Borbera contains the frazioni (subdivisions, mainly villages and hamlets) Variano Inferiore, Variano Superiore and Precipiano. Vignole Borbera borders the following municipalities: Arquata Scrivia, Borghetto di Borbera, Grondona, Serravalle Scrivia, and Stazzano.

The Val Borbera (Ligurian: Val Borbëa or Borbéia; Piedmontese: Val Borbaja) is a valley formed by the River Borbera, a tributary of the Scrivia, located in the province of Alessandria. It was historically linked to the Republic of Genoa, the Ligurian Republic and is still strongly tied to Liguria.

The Borbera (Borbëa in Ligurian or Borbaja in Piedmontese) is a major torrente (a stream whose flow is marked by a high degree of seasonal variation) of the Province of Alessandria in the Italian region Piedmont.

The Amphitheatre of Libarna is found in the ancient Roman city of Libarna, near the modern town of Serravalle Scrivia, in Piedmont. It was discovered in excavations throughout the 20th century alongside remains of bath buildings.

Stazzano is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) southeast of Turin and about 30 kilometres (19 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 2,168 and an area of 17.8 square kilometres (6.9 sq mi).The municipality of Stazzano contains the frazioni (subdivisions, mainly villages and hamlets) Vargo and Albarasca. Stazzano borders the following municipalities: Borghetto di Borbera, Cassano Spinola, Sardigliano, Serravalle Scrivia, and Vignole Borbera.

Montaldeo is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) southeast of Turin and about 35 kilometres (22 mi) southeast of Alessandria. Montaldeo borders the following municipalities: Casaleggio Boiro, Castelletto d'Orba, Lerma, Mornese, Parodi Ligure, and San Cristoforo.

The Aquitanian is, in the International Commission on Stratigraphy's (ICS) geologic timescale, the oldest age or lowest stage in the Miocene. It spans the time between 23.03 ± 0.05 Ma and 20.43 ± 0.05 Ma (million years ago) during the Early Miocene. It was a dry, cooling period. The Aquitanian succeeds the Chattian (the youngest age of the Oligocene) and precedes the Burdigalian. The Aquitanian Age overlaps with the Harrisonian, Agenian, Pareora, Landon, Otaian, and Waitakian Ages from various regional timescales.

Sardigliano is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) southeast of Turin and about 30 kilometres (19 mi) southeast of Alessandria. Sardigliano borders the following municipalities: Borghetto di Borbera, Cassano Spinola, Castellania Coppi, Garbagna, Sant'Agata Fossili, and Stazzano.

Cassano Spinola is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) southeast of Turin and about 25 kilometres (16 mi) southeast of Alessandria. Cassano Spinola borders the following municipalities: Carezzano, Novi Ligure, Pozzolo Formigaro, Sant'Agata Fossili, Sardigliano, Serravalle Scrivia, Stazzano, and Villalvernia.

Borghetto di Borbera is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 110 kilometres (68 mi) southeast of Turin and about 35 kilometres (22 mi) southeast of Alessandria. Borghetto di Borbera borders the following municipalities: Cantalupo Ligure, Dernice, Garbagna, Grondona, Roccaforte Ligure, Sardigliano, Stazzano, and Vignole Borbera.

Sant'Agata Fossili is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) southeast of Turin and about 30 kilometres (19 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 425 and an area of 8.0 square kilometres (3.1 sq mi). Sant'Agata Fossili borders the following municipalities: Carezzano, Cassano Spinola, Castellania Coppi, Sardigliano.

Grondona (Grondonn-a in Ligurian) is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 110 kilometres (68 mi) southeast of Turin and about 35 kilometres (22 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 548 and an area of 25.7 square kilometres (9.9 sq mi).The municipality of Grondona contains the frazione (subdivision) Variana. Grondona borders the following municipalities: Arquata Scrivia, Borghetto di Borbera, Isola del Cantone, Roccaforte Ligure, and Vignole Borbera.