Ilocos Sur
Municipality in the Philippines
Ilocos Sur, officially the Province of 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 of Vigan. Wikipedia
Area: 996 mi²
Capital: Vigan
Founded: June 13, 1572
HDI rank: 19th (2019)
Highest elevation (Mount Camingingel): 2,371 m (7,779 ft)
IDD: area code: PH-ILS
Largest city: Candon