[3] The origin of the name Dupax stems from the Isinay term "dopaj," denoting "to recline in utter relaxation and repose",[5][6] expressing the desire of the locals to unwind fully after refurbishing their camp, enjoying their harvest, and concluding their forest hunts before returning home.

[6][7] Prior to the establishment of Dupax, the site of what would be its town proper served as a camp for hunters from surrounding tribal settlements.

94 sponsored by Councilor Victoriano Barroga proposing the transfer of the seat of the municipal government from the old poblacion to Malasin.

1181 approved on June 20, 1954, the seat of government was transferred from old poblacion to Barrio Malasin,[7][8] whose location is not only strategic but is beside the town's commercial center.

It is bounded by the town of Kasibu in the north, Alfonso Castañeda in the east, Dupax del Sur in the south, and Bambang in the west.

It has wide tracts of virgin forests, rich, fertile plains and valleys with mineral deposits and has a climate suitable for agriculture.

Mabasa was originally called San Roque, named by the parish priest of Dupax after the saint of hunters because the place then was a thick forest where game was abundant such as deer and wild pigs.

They travelled by foot and by horses and carabaos through San Nicolas, passing through Imugan, Santa Fe, Nueva Vizcaya.

Old records from the Roman Catholic Church in Dupax del Sur showed that the daughter of Apolonio Vadil, Tomasa, was baptized on October 10, 1887.

The name came from the Iloko word Inabaan which means a place where there are plenty of gabi (taro) plants, locally known as “ABA”.

A story goes that many years ago when the place was still thickly covered with flora and fauna, and was a favorite hunting ground, a hunter once hit a big male deer with his spear.

[3] The population density was 96 inhabitants per square kilometre (250/sq mi).Poverty incidence of Dupax del Norte Source: Philippine Statistics Authority[18][19][20][21][22][23][24][25] Dupax del Norte, belonging to the lone congressional district of the province of Nueva Vizcaya, is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code.