Sarezzano

Cerreto Grue is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) east of Turin and about 25 kilometres (16 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 346 and an area of 4.8 square kilometres (1.9 sq mi).Cerreto Grue borders the following municipalities: Costa Vescovato, Montegioco, Sarezzano, and Villaromagnano.

Viguzzolo is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) east of Turin and about 25 kilometres (16 mi) east of Alessandria. As of 31 December 2004, it had a population of 2,964 and an area of 18.3 square kilometres (7.1 sq mi).Viguzzolo borders the following municipalities: Berzano di Tortona, Casalnoceto, Castellar Guidobono, Pontecurone, Sarezzano, Tortona, and Volpeglino.

Berzano di Tortona is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) east of Turin and about 25 kilometres (16 mi) east of Alessandria, on the watershed between the Grue and Curone valleys. Berzano di Tortona borders the following municipalities: Monleale, Sarezzano, Viguzzolo, and Volpeglino.

Castellar Guidobono is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) east of Turin and about 25 kilometres (16 mi) east of Alessandria. Castellar Guidobono borders the following municipalities: Casalnoceto, Viguzzolo, and Volpeglino.

Volpeglino is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) east of Turin and about 25 kilometres (16 mi) east of Alessandria. Volpeglino borders the following municipalities: Berzano di Tortona, Casalnoceto, Castellar Guidobono, Monleale, Viguzzolo, and Volpedo.

Villaromagnano 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. Villaromagnano borders the following municipalities: Carbonara Scrivia, Cerreto Grue, Costa Vescovato, Paderna, Sarezzano, Spineto Scrivia, and Tortona.

The siege of Tortona in 1155 was the first major military engagement resulting from Holy Roman Emperor Frederick Barbarossa's ambition to enforce Imperial hegemony in Italy.

Tortona (Italian: [torˈtoːna]; Piedmontese: Torton-a [tʊrˈtʊŋa], locally [tʊrˈtɔŋa]; Latin: Dhertona) is a comune of Piemonte, in the Province of Alessandria, Italy. Tortona is sited on the right bank of the Scrivia between the plain of Marengo and the foothills of the Ligurian Apennines. Its frazione of Vho is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy").

The Diocese of Tortona (Latin: Dioecesis Derthonensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Northern Italy, spanning parts of three regions of Piedmont (Province of Alessandria), Lombardy (Province of Pavia) and Liguria (Province of Genoa). It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Genoa and forms part of the ecclesiastical region of Liguria. The diocese claims to be one of the oldest in Lombardy and the Piedmont.

Paderna 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. Paderna borders the following municipalities: Carezzano, Costa Vescovato, Spineto Scrivia, Tortona, and Villaromagnano.

Montegioco is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 100 kilometres (62 mi) east of Turin and about 30 kilometres (19 mi) southeast of Alessandria. As of 31 December 2004, it had a population of 315 and an area of 5.4 square kilometres (2.1 sq mi). Montegioco borders the following municipalities: Avolasca, Cerreto Grue, Costa Vescovato, Monleale, Montemarzino, and Sarezzano.

Tortona Cathedral (Italian: Duomo di Tortona; Cattedrale di Santa Maria Assunta e San Lorenzo) is a Catholic cathedral in Tortona, Piedmont, in northwest Italy, dedicated to the Assumption of the Virgin Mary and Saint Lawrence. It is the episcopal seat of the Diocese of Tortona.