Ilocos was a province in northern Luzon,

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

that comprised the present-day provinces of

Ilocos Norte Ilocos Norte, officially the Province of Ilocos Norte ( ilo, Probinsia ti Ilocos Norte; tl, Lalawigan ng Ilocos Norte), is a province of the Philippines located in the Ilocos Region. Its capital is Laoag City, located in the northwest corner of ...

Ilocos Sur Ilocos Sur, officially the Province of Ilocos Sur ( ilo, Probinsia ti Ilocos Sur; tl, Lalawigan ng Ilocos Sur), is a province in the Philippines located in the Ilocos Region in Luzon. Located on the mouth of the Mestizo River is the capital o ...

, parts of

La Union La Union (), officially the Province of La Union ( ilo, Probinsia ti La Union; Kankanaey'': Probinsyan di La Union;'' Ibaloi'': Probinsya ne La Union;'' pag, Luyag/Probinsia na La Union; Tagalog'': Lalawigan ng La Union),'' is a province in th ...

, and Abra. On February 2, 1818, the province was split into Ilocos Norte and Ilocos Sur by the promulgation of a royal decree due to rapid population growth.

References

History of the Ilocos Region Former provinces of the Philippines {{IlocosR-geo-stub la:Regio Ilocana ja:イロコス地方 simple:Ilocos

See also

References