Fiesso Umbertiano borders the following municipalities: Canaro, Castelguglielmo, Frassinelle Polesine, Occhiobello, Pincara, Stienta.
Frassinelle Polesine borders the following municipalities: Arquà Polesine, Canaro, Fiesso Umbertiano, Pincara, Polesella, Villamarzana.