The Piazza di Trevi is a famous square located in the heart of Rome, Italy. It is best known for the stunning Trevi Fountain, which is one of the largest and most ornate fountains in the city. The fountain features intricate sculptures and is a popular spot for tourists who toss coins into the water, a tradition believed to ensure a return to Rome. Constructed in the 18th century, the Trevi Fountain was designed by architect Nicola Salvi and completed by Giovanni Battista Piranesi. The square itself is surrounded by beautiful buildings and offers a vibrant atmosphere, making it a must-visit destination for anyone exploring Rome.