Villalba, originally known as Villa Alba, is a town and municipality of Puerto Rico located in the central region, northeast of Juana Díaz; south of …Villalba, originally known as Villa Alba, is a town and municipality of Puerto Rico located in the central region, northeast of Juana Díaz; south of Orocovis; and west of Coamo. Villalba is spread over 6 barrios and Villalba Pueblo. It is part of the Ponce Metropolitan Statistical Area.