Castelletto d'Orba

Silvano d'Orba is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 90 kilometres (56 mi) southeast of Turin and about 25 kilometres (16 mi) south of Alessandria. As of 31 December 2004, it had a population of 1,856 and an area of 12.1 square kilometres (4.7 sq mi).The municipality of Silvano d'Orba contains the frazioni (subdivisions, mainly villages and hamlets) Valle Cochi, Pieve, Bacchetti, Guastarina, Pagliara, Villa, Milanesi, Setteventi, Ravino, Bolla, Pagliaccia, Bordini, Pianterasso, Bessica, Prieto, Castagnola, Caraffa, and Passada. Silvano d'Orba borders the following municipalities: Capriata d'Orba, Castelletto d'Orba, Lerma, Ovada, Rocca Grimalda, and Tagliolo Monferrato.

The Piota is an Apennine torrent in the Province of Alessandria, north-west Italy.

Capriata d'Orba is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 90 kilometres (56 mi) southeast of Turin and about 25 kilometres (16 mi) south of Alessandria. As of 31 December 2004, it had a population of 1,862 and an area of 28.3 square kilometres (10.9 sq mi). Capriata d'Orba borders the following municipalities: Basaluzzo, Castelletto d'Orba, Francavilla Bisio, Predosa, Rocca Grimalda, San Cristoforo, and Silvano d'Orba.

Rocca Grimalda (Ra Roca in dialect) is a village and comune in the province of Alessandria, Piedmont, Northern Italy. It lies in Upper Montferrat, a historical region of Piedmont, and it was built upon a rocky hill on the Orba's left bank, very close to Ovada. The nearest airport is the Cristoforo Colombo Airport in Genoa.

Tagliolo Monferrato Castle (Italian: Castello di Tagliolo Monferrato) is a castle located in Tagliolo Monferrato, Piedmont, Italy.

Tagliolo Monferrato is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 90 kilometres (56 mi) southeast of Turin and about 30 kilometres (19 mi) south of Alessandria. As of 31 December 2004, it had a population of 1,499 and an area of 25.9 square kilometres (10.0 sq mi).The municipality of Tagliolo Monferrato contains the frazioni (subdivisions, mainly villages and hamlets) Cherli, Grossi, Varo, Pessino, Caraffa, Gambina and Mongiardino. Tagliolo Monferrato borders the following municipalities: Belforte Monferrato, Bosio, Casaleggio Boiro, Lerma, Ovada, Rossiglione, and Silvano d'Orba.

The Stura di Ovada is a 32.9-kilometre (20.4 mi) stream of Liguria and Piedmont (Italy); it is the main tributary of the Orba.

Basaluzzo is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 90 kilometres (56 mi) southeast of Turin and about 20 kilometres (12 mi) southeast of Alessandria. Basaluzzo borders the following municipalities: Bosco Marengo, Capriata d'Orba, Francavilla Bisio, Fresonara, Novi Ligure, Pasturana, and Predosa.

Ovada (Uà and Guà in Ligurian, Ovà in Piedmontese) is a comune (municipality) of 11,484 inhabitants in the Province of Alessandria in the northern Italian region Piedmont, located about 90 kilometres (56 mi) southeast of Turin and about 30 kilometres (19 mi) south of Alessandria. Ovada is the main comune of the Ovadese area, an area of the Lower Piedmont and Upper Montferrat, located in the southern portion of the province of Alessandria.

Pasturana is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 80 kilometres (50 mi) southeast of Turin and about 15 kilometres (9 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 1,086 and an area of 5.3 square kilometres (2.0 sq mi). Pasturana borders the following municipalities: Basaluzzo, Francavilla Bisio, Novi Ligure, and Tassarolo.

Fresonara (Piedmontese: Fërsnèira) is a comune (municipality) in the province of Alessandria in the Italian region Piedmont, located about 80 kilometres (50 mi) southeast of Turin and about 15 kilometres (9 mi) southeast of Alessandria. Fresonara borders the following municipalities: Basaluzzo, Bosco Marengo, and Predosa. In 1404 it was destroyed by Facino Cane. It was annexed to the possessione of the House of Savoy in the 18th century.

The Lemme is a river 35 km torrent, a right tributary of the Orba, which flows through the Province of Alessandria in northern Italy.