The Duchy of Genoa was the name taken by the territories of the former Republic of Genoa

Republic of Genoa

The Most Serene Republic of Genoa |Ligurian]]: Repúbrica de Zêna) was an independent state from 1005 to 1797 in Liguria on the northwestern Italian coast, as well as Corsica from 1347 to 1768, and numerous other territories throughout the Mediterranean....

 when they were given to the Kingdom of Sardinia

Kingdom of Sardinia

The Kingdom of Sardinia consisted of the island of Sardinia first as a part of the Crown of Aragon and subsequently the Spanish Empire , and second as a part of the composite state of the House of Savoy . Its capital was originally Cagliari, in the south of the island, and later Turin, on the...

 by the Congress of Vienna

Congress of Vienna

The Congress of Vienna was a conference of ambassadors of European states chaired by Klemens Wenzel von Metternich, and held in Vienna from September, 1814 to June, 1815. The objective of the Congress was to settle the many issues arising from the French Revolutionary Wars, the Napoleonic Wars,...

 in 1815.

Ligurian people, with their independentistic and republican traditions, never liked their new political status, and riots sometimes exploded 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....

.

The Duchy of Genoa was finally disbanded after the perfect fusion

Perfect fusion

The Perfect Fusion was the 1847 act of King Charles Albert of Savoy which abolished the administrative differences between the constituent countries of the Kingdom of Sardinia, especially the governmental division between Sardinia and the mainland....

 of 1848, and it was divided between the departments (later called provinces

Provinces of Italy

In Italy, a province is an administrative division of intermediate level between a municipality and a region .-Overview:...

) of Genoa and Nice.