TrooTroo is a commune of the Loir-et-Cher department in central France.WWW troo.frFB Commune-de-Trôo-780149152...IG etephemereSightsThe village, which is partly troglodytic, consisting of cave-dwellings, is dominated by the collégiale or Saint Martin's church. It overlooks the small church of Saint-Jacques-des-Guérets, known for its Romanesque wall paintings.