Castelnuovo Magra is a comune (municipality) in the Province of La Spezia in the Italian region Liguria, located about 90 kilometres (56 mi) southeast of Genoa and about 15 kilometres (9 mi) east of La Spezia. As of 31 December 2004, it had a population of 7,948 and an area of 14.9 square kilometres (5.8 sq mi).
The municipality of Castelnuovo Magra contains the frazioni (subdivisions, mainly villages and hamlets) Colombiera, Molicciara, Palvotrisia, Molino Del Piano and Vallecchia.
Castelnuovo Magra borders the following municipalities: Fosdinovo, Ortonovo, Sarzana.(Wikipedia)