Ilocos (province)

Ilocos
Province of the Philippines
1571–1818

Location of the historical province of Ilocos.
CapitalVigan
Historical eraColonial Period
 Established
1571
 Disestablished
2 February 1818
Succeeded by
Ilocos Norte
Ilocos Sur
Today part of · Abra
 · Ilocos Norte
 · Ilocos Sur
 · La Union

Ilocos was a province in northern Luzon, Philippines that comprised the present-day provinces of Ilocos Norte, Ilocos Sur, parts of La Union, and Abra. In 1818, the province was disestablshed when it was split into Ilocos Norte and Ilocos Sur through a royal decree due to rapid population growth.