| Conventional Long Name: | Duchy of Genoa |
| Common Name: | Genoa |
| Native Name: | |
| Alt Flag: | Flag of Genoa |
| Flag Caption: | Flag |
| Capital: | Genoa |
| Religion: | Catholic Church |
| Image Map Caption: | The Kingdom of Sardinia on a map of Italy in 1843, of which the Duchy of Genoa was a part |
| Demonym: | Genoese |
| Government Type: | Absolute monarchy |
| Currency: | Lira |
| Status: | Part of Savoy |
| Era: | Late modern |
| Year End: | 1848 |
| Year Start: | 1815 |
| Common Languages: | Ligurian, Italian |
| Title Leader: | Duke |
| Year Leader1: | 1815–1821 |
| Leader1: | Victor Emmanuel |
| Year Leader2: | 1821–1831 |
| Leader2: | Charles Felix |
| Year Leader3: | 1831–1848 |
| Leader3: | Charles Albert |
| Event Start: | Congress of Vienna |
| Date Start: | 9 June |
| Event End: | Perfect Fusion |
| P1: | Republic of Genoa |
| S1: | Kingdom of Sardinia |
| Flag P1: | Flag of Genoa.svg |
| Flag S1: | Civil Flag and Civil Ensign of the Kingdom of Sardinia (1816-1848).svg |
| Today: | France Italy |
| Flag: | Flag of Genoa |
| Symbol: | Maritime republics |
The Duchy of Genoa was a state consisting of the territories of the former Republic of Genoa. It was formed when the former territories of the republic were given to the Kingdom of Sardinia in 1815 as a result of the Congress of Vienna, and dissolved after the Perfect Fusion of 1848.
Ligurian people, with their independentistic and republican traditions, never liked their new political status, and riots sometimes exploded in Genoa.
The state used the Sardinian lira as its currency, although the Mint of Genoa remained in operation by issuing coins.[1]
After dissolution in 1848, the territories of the former duchy were divided between the departments (later called provinces) of Genoa and Nice.
Replacing the French legislation in force, a specially introduced code was put into place, called; The regulation of the S.M. for civil and criminal matters of the Duchy of Genoa. (), promulgated on 13 May 1815 with the senate of Genoa ordered to register it and enforce it.
An edict in 1822 ruled out that, justice, dependent on the senate of Genoa, was administered by 7 prefecture courts: Genoa, Bobbio, Chiavari, Finale Marina, Novi Ligure, Sarzana and Savona.
In 1833, the Duchy of Genoa was one of the eight general intendencies of the States of the Mainland which were at the same time military divisions. It included the provinces of Genoa, Savona, Cairo Montenotte, Albenga, Finale Marina, Gavi, Bobbio, Chiavari, La Spezia and Sarzana.