The Hundred Islands is in the province of Pangasinan in northern Philippines. It is located in Alaminos City, Pangasinan. The islands (124 at low tide and 123 at high tide) are scattered along Lingayen Gulf and cover an area of 1,844 hectares (4,556.62 acres). They are believed to be about two million years old. Only three of them have been developed for tourists: Governor Island, Quezon Island, and Children's Island.
- The town Anda, located north-east of Alaminos City, is often called the "mother island" of the Hundred Islands.