We are a local government unit (LGU) based in Northern Luzon. Our municipal official name is Sta. Catalina, Ilocos Sur, Philippines. This is our official website, regulated, published and administered directly by the executive department in coordination with national and local agencies. If you have comments, suggestions and complaints, please use this complaints form, and if you'd rather leave a message for all to see, then this Guestbook is the form to fill-up.