Charles Square (Karlovo námestí) is a city square in the New Town of Prague, Czech Republic. It is one of the largest squares in the world and very likely the largest medieval square in Europe (80 550 m2). Founded in 1348 as the main square of the New Town of Prague by Charles IV, it was known as Cattle market (Dobytcí trh) from the 15th century and finally named after its founder in 1848. The central portion of the square was turned into a park in the 1860s.
The square is now one of the main transport hubs of the city centre with metro station Karlovo námestí and numerous tram lines and busy roads crossing it in all directions.