LoretoIt is about 14 Km from Sirolo Loreto is famous for being the headquarters of the Basilica of the Holy House, one of the most important and ancient places of Marian pilgrimage in the Catholic world. Castelfidardo It is about 12 km from Sirolo Castelfidardo is famous throughout the world for companies dedicated to the production of accordions, including Paolo Soprani, thanks to which it also supplies a fair amount of tourism. Recanati It is about 21 Km from Sirolo The birthplace of Giacomo Leopardi, here is the well-stocked paternal library. Numana Bordering with Sirolo A well-known State Antiquarium is located in Numana, where the tombs of the Picene and Roman tombs are exhibited. Remarkable is the grave of the so-called "Queen Picena", found near Sirolo. Ancona It is about 18 Km from Sirolo Overlooking the Adriatic Sea, it has one of the largest Italian ports. A city of art rich in monuments and with 2,400 years of history, it is one of the main economic centers of the region, as well as its main urban center in terms of size and population. Genga It is about 75 Km from Sirolo The caves of Frasassi are underground caves that are located in the territory of the town of Genga, in the province of Ancona. The complex of caves falls within the Regional Natural Park of the Gola della Rossa and Frasassi. The complex is formed by a series of caves, the first of which can be visited from the current entrance is the Abyss Ancona, a huge cavity that has an extension of 180 x 120 m and a height of 200 m; it is so vast (over 2 million m3 of volume) that inside it could be contained without problems the Milan Cathedral.