[3] Patnanungan was once a barrio part of Polillo, dating back to the Spanish colonial era.
[5] On June 12, 1948, barrio Patnanungan was excised from Polillo and incorporated into the newly established municipality of Burdeos.
[6] Patnanungan was established as a municipal district on June 18, 1961, out of six barrios and ten islands previously from Burdeos.
Poverty incidence of Patnanungan Source: Philippine Statistics Authority[13][14][15][16][17][18][19][20] Municipal council (2022-2025):[21]
This article about a location in Calabarzon region is a stub.