The most important feature of the Arechi Castle is that it is located on a hill with a height of up to 300 meters above sea level. It has ancient origins from the Middle Ages and is protected by towers connected to each other by pointed walls. It was established as a defense method for the area around Salerno. It also includes an archaeological museum and some natural parks; In addition, it offers an unparalleled panoramic view of the coast and the entire city.