Ilocos Sur
34 towns and cities
- Alilem
- Banayoyo
- Bantay
- Burgos
- Cabugao
- Caoayan
- Cervantes
- City of Candon
- City of Vigan
- Galimuyod
- Gregorio Del Pilar
- Lidlidda
- Magsingal
- Nagbukel
- Narvacan
- Quirino
- Salcedo
- San Emilio
- San Esteban
- San Ildefonso
- San Juan
- San Vicente
- Santa
- Santa Catalina
- Santa Cruz
- Santa Lucia
- Santa Maria
- Santiago
- Santo Domingo
- Sigay
- Sinait
- Sugpon
- Suyo
- Tagudin