Gudo is a former municipality in the district of Bellinzona in the canton of Ticino in Switzerland. On 2 April 2017 the former municipalities of Camorino, Claro, Giubiasco, Gnosca, Gorduno, Moleno, Monte Carasso, Pianezzo, Preonzo, Sant'Antonio and Sementina merged into the new municipality of Bellinzona. Wikipedia