Wikipedia
Castelplanio
Castelplanio is a comune (municipality) in the Province of Ancona in the Italian region Marche, located about southwest of Ancona. As of 31 December 2004, it had a population of 3,303 and an area of .
The municipality of Castelplanio contains the frazioni (subdivisions) Macine, Pozzetto, Borgo Loreto and Piagge.
Castelplanio borders the following municipalities: Belvedere Ostrense, Maiolati Spontini, Poggio San Marcello, Rosora.
Its patron saint is Saint Joseph.