Maenza is a comune in the Province of Latina in the Italian region Lazio, located about 70 km southeast of Rome and about 25 km east of Latina. It is home to a castle, originally built as a watchtower in the 12th-13th centuries, and enlarged in the 16th century. In an effort to bring in new residents, it is selling abandoned houses for €1 if buyers commit to renovations. Maenza borders the following municipalities: Carpineto Romano, Giuliano di Roma, Priverno, Prossedi, Roccagorga, Supino.