The municipality of Quezon is one of the 34 municipalities which comprise the province of Isabela. Situated in the north-western portion of the province, it is bounded on the north by the municipalities of Santa Maria and Cabangan, on the south by the municipality of Mallig on the east by the municipalities of Delfin Albano and Santo Tomas all within the province of Isabela; and on the west by the Tabuk City in the province of Kalinga. A landlocked municipality, its absolute location is between 121°32’ to 121°41’ longitude East and 17°14’ to 17°26’ latitude north. Its municipal center is located 17°18'42.90"N and 121°36'19.59"E.