As of September 2021, Europe has the most UNESCO World Heritage Sites of any continent, with a total of 498 sites. This is followed by Asia with 415 sites, and then North America with 109 sites.

Europe's numerous sites are a reflection of the continent's rich cultural and architectural heritage, as well as its many natural wonders. Some of the most famous European sites include the Acropolis in Athens, the Colosseum in Rome, the historic centers of Prague and Vienna, the canals of Venice, and the Palace of Versailles in France.

Number of UNESCO World Heritage Sites can change over time, as new sites are added and some sites are removed from the list due to factors such as deterioration or destruction.