The House of Grimaldi was in the Italian region of Liguria.
The House of Grimaldi is associated with the history of the Republic of Genoa, Italy and of the Principality of Monaco. 
The Republic of Genoa (Ligurian: "Repbrica de Zna" /re'pybrika 'de 'ze:na/, Latin: "Res Publica Ianuensis", Italian: "Repubblica di Genova" ) was an independent state from 1005 to 1797 in Liguria on the northwestern Italian coast, incorporating Corsica from 1347 to 1768, and numerous other territories throughout the Mediterranean. 
