It was named after the Filipino Pan-Asianist, Lawyer and Legislator, Pio Saceda Duran (1900–1961).

According to the Philippine Statistics Authority, the municipality has a land area of 133.70 square kilometres (51.62 sq mi) [5] constituting 5.19% of the 2,575.77-square-kilometre- (994.51 sq mi) total area of Albay.

Pio Duran is politically subdivided into 33 barangays.

[3] The population density was 370 inhabitants per square kilometre (960/sq mi).

Poverty incidence of Pio Duran Source: Philippine Statistics Authority[12][13][14][15][16][17][18][19]