The commune of Beausoleil was established in 1904; it was supposed to be named Monte-Carlo Supérieur (French: [mɔ̃t kaʁlɔ sypeʁjœʁ]; lit.

Located on a hillside above the city-state of Monaco, Beausoleil is surrounded by the Tête de Chien and Agel mountains.

The main part of the town consists of Belle Époque houses with ornate entrances.

Attractions within Beausoleil include the Gustave Eiffel covered market, St Joseph's Sanctuary (a church with ornate stained-glass windows) and the Fontdivina Fountain and Wash House.

Along with other French communes adjacent to Monaco, the electorate has traditionally had a sizable proportion which is left-leaning: Roger Bennati, mayor of the town 1989–1995, served under Communist affiliation.