Piazza del Duomo in Milan, Italy is the city's main square named after the iconic Milan Cathedral. It's like the heart of the city, buzzing with art, culture, and tourists. Designed by architect Giuseppe Mengoni in the 19th century, the piazza boasts impressive buildings like the Galleria Vittorio Emanuele II arcade. Over the years, it has evolved from a market square to a bustling hub of activity, making it a must-visit spot for anyone exploring Milan.