Sforzesco Castle, located in Milan, Italy, is a medieval fortress that was built in the 15th century by Francesco Sforza, the Duke of Milan. It's a pretty cool castle with a lot of history! Over the years, it has been renovated and enlarged, becoming one of the largest citadels in Europe during the 16th and 17th centuries. Nowadays, it's not just a castle, but also home to several museums and art collections. So, if you're ever in Milan, make sure to check out this awesome castle and all the cool stuff inside!