Sangbay is a barangay of the philippine municipality Nagtipunan in the province Quirino
in Cagayan Valley
which is part of the Luzon group
Sangbay is one of the barangays which are in the outlying area of Municipality Nagtipunan.
The municipality Nagtipunan with a population of about 20,443 and its 16 barangays belong to the partly urban areas in the Philippines. While some of the barangays developed modern urban structures, some others, especially those which are seated in the outlying areas, remained rural. By the end of 2007 Sangbay had 1,691 residents.
Other barangays of Nagtipunan are:
Anak, Asaklat, Dipantan, Dissimungal, Guino (Giayan), La Conwap (Guingin), Landingan, Mataddi, Matmad, Old Gumiad, Ponggo, San Dionisio II, San Pugo, San Ramos, Wasid