How many states with sardinia in 1860?

In 1860, the Kingdom of Sardinia was one of the main states in Italy, which included the island of Sardinia and the territories of Piedmont, Liguria, and parts of Lombardy. It played a crucial role in the Italian unification movement, leading to the eventual establishment of the Kingdom of Italy in 1861. At that time, Sardinia was integral to the political landscape of the region, representing one of the key players in the unification process.