Arco della Pace, also known as the Arch of Peace, is a neoclassical monument located in the Porta Sempione district of Milan, Italy. It was built in the early 19th century as a tribute to the peace established by Napoleon after his victories in Italy. The monument was designed by architect Luigi Cagnola and construction began in 1806, but was halted due to the fall of Napoleon's empire. The arch was finally completed in 1838, after the restoration of the Austrian government in Milan.

The Arco della Pace is one of the most important landmarks of Milan and is a popular tourist attraction. The arch is made of marble and is decorated with various sculptures and reliefs that depict scenes from Napoleon's victorious campaigns in Italy. The top of the arch features a large bronze statue of the goddess of peace, which was added to the monument in the mid-1800s.

The Arco della Pace is located at the end of the Corso Sempione, a wide avenue that runs through the heart of the Porta Sempione district. It is surrounded by a large park, known as Parco Sempione, which is a popular destination for tourists and locals alike. The park features several monuments, gardens, and a lake, and is a popular spot for picnics, jogging, and leisurely strolls.

Today, the Arco della Pace serves as a symbol of peace and harmony in Milan and is an important cultural and historical landmark. It is also used as a venue for concerts and other cultural events throughout the year.