Florence County is the name of two counties in the United States:

Florence (Italian: Firenze [fiˈrɛntse] ( listen), alternate obsolete form: Fiorenza; Latin: Florentia) is the capital city of the Italian region of Tuscany and of the province of Florence. It is the most populous city in Tuscany, with approximately 370,000 inhabitants, expanding to over 1.5 million in the metropolitan area.

Florence is famous for its history. A centre of medieval European trade and finance and one of the wealthiest cities of the time, Florence is considered the birthplace of the Renaissance, and has been called the Athens of the Middle Ages. A turbulent political history includes periods of rule by the powerful Medici family, and numerous religious and republican revolutions. From 1865 to 1870 the city was also the capital of the recently established Kingdom of Italy.

The historic centre of Florence attracts millions of tourists each year, and Euromonitor International ranked the city as the world's 72nd most visited in 2009, with 1,685,000 visitors. It was declared a World Heritage Site by UNESCO in 1982. Due to Florence's artistic and architectural heritage, it has been ranked by Forbes as one of the most beautiful cities in the world, and the city is noted for its history, culture, Renaissance art and architecture and monuments. The city also contains numerous museums and art galleries, such as the Uffizi Gallery and the Pitti Palace, amongst others, and still exerts an influence in the fields of art, culture and politics.