Ilocos Region
La Union (), officially the Province of La Union (; Kakanaey": Probinsyan di La Union;" Pangasinan: "Luyag na La Union;" Ibaloi": Probinsya ne La Union;" Tagalog": Lalawigan ng La Union)," is a province in the Philippines located in the Ilocos Region in the Island of Luzon. Its capital is the City of San Fernando, which also serves as the regional center of the Ilocos Region.