Milan is one of the most important cities in Italy, and it is famous for its historical wealth. When it comes to historical places, there are great cathedrals you must see in Milan. For example, Milan Cathedral. This cathedral is the largest church in Italy. The famous square Piazza Del Duomo takes its name from the Duomo Di Milano. (Milan Cathedral) The construction of the cathedral started in 1386 and completed in 1960. As the construction lasted for ages, people who live in Milan created the phrase “It is like the Duomo construction” in order to express their disappointments, and they use it when they see something lacking. You must bring your camera to take plenty of photos in the museum, CastelloSforzesco. Otherwise you will regret it. Also,yes, it is a business city, for this reason it is difficult find a room. Therefore, it had better find an accommodation in Milan before you come to the city.