The Solaro family was the most powerful medieval banking family in Asti

Asti

Asti is a city and comune of about 75,000 inhabitants located in the Piedmont region of northwestern Italy, about 55 kilometres east of Turin in the plain of the Tanaro River...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. At the height of their power, they were owners of 24 castles within Asti's communal

Comune

In Italy, the comune is the basic administrative division, and may be properly approximated in casual speech by the English word township or municipality.-Importance and function:...

 territory. They were also present in Genoa

Genoa

Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

 in the 12th C. and acquired holdings in Sestri Levante

Sestri Levante

Sestri Levante is a town and comune in Liguria, Italy. Lying on the Mediterranean Sea, it is approximately 56 kilometers south of Genoa and is set on a promontory. While nearby Portofino and the Cinque Terre are probably the most well known tourist destinations on the Italian Riviera, Sestri...

. Of the Casane Astigiane

Casane Astigiane

The Casane Astigiane were the major family banking houses of Asti, Italy in the middle ages. Their economic activities included currency exchange and lending.-Guelf Families:* Solaro...

, they were the main Guelf supporters in Asti, in contrast to the 'De Castello" union.

Initially their commercial activity was centred primarily in the fair

Fair

A fair or fayre is a gathering of people to display or trade produce or other goods, to parade or display animals and often to enjoy associated carnival or funfair entertainment. It is normally of the essence of a fair that it is temporary; some last only an afternoon while others may ten weeks. ...

s of Provins

Provins

Provins is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.Provins, a town of medieval fairs, became a UNESCOWorld Heritage Site in 2001.-Administration:...

, Troyes

Troyes

Troyes is a commune and the capital of the Aube department in north-central France. It is located on the Seine river about southeast of Paris. Many half-timbered houses survive in the old town...

, in northern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 and Flanders

Flanders

Flanders is the community of the Flemings but also one of the institutions in Belgium, and a geographical region located in parts of present-day Belgium, France and the Netherlands. "Flanders" can also refer to the northern part of Belgium that contains Brussels, Bruges, Ghent and Antwerp...

. By the 13th C., they were active in Bourgogne

Bourgogne

Burgundy is one of the 27 regions of France.The name comes from the Burgundians, an ancient Germanic people who settled in the area in early Middle-age. The region of Burgundy is both larger than the old Duchy of Burgundy and smaller than the area ruled by the Dukes of Burgundy, from the modern...

 and Franche-Comté

Franche-Comté

Franche-Comté the former "Free County" of Burgundy, as distinct from the neighbouring Duchy, is an administrative region and a traditional province of eastern France...

.

In 1276, their intervention was critical in the peace between Asti and Charles of Anjou and the family flourished under the Angevin

Capetian House of Anjou

The Capetian House of Anjou, also known as the House of Anjou-Sicily and House of Anjou-Naples, was a royal house and cadet branch of the direct House of Capet. Founded by Charles I of Sicily, a son of Louis VIII of France, the Capetian king first ruled the Kingdom of Sicily during the 13th century...

 period.

The Solaro's influence diminished with the return of the Ghibellines and the Visconti

House of Visconti

Visconti is the family name of two important Italian noble dynasties of the Middle Ages. There are two distinct Visconti families: The first one in the Republic of Pisa in the mid twelfth century who achieved prominence first in Pisa, then in Sardinia where they became rulers of Gallura...

period.