The city known for its annual Carnival festival is Rio de Janeiro in Brazil. This vibrant celebration typically occurs before Lent and is famous for its extravagant parades, samba music, and colorful costumes. Carnival in Rio attracts millions of visitors from around the world, who come to experience the lively atmosphere and cultural festivities. The event features numerous street parties and competitions, with the highlight being the samba school parades at the Sambadrome, where elaborate floats and choreography showcase Brazil's cultural heritage.