CollianoColliano is a town and comune in the province of Salerno in the Campania region of south-western Italy. The name is likely related to the Italian word, collinare, which means hill top.GeographyThe municipality borders with Buccino, Contursi Terme, Laviano, Muro Lucano, Oliveto Citra, Palomonte, San Gregorio Magno and Valva.