Lidlidda

Lidlidda, officially the Municipality of Lidlidda (Ilocano: Ili ti Lidlidda; Filipino: Bayan ng Lidlidda), is a municipality in the province of Ilocos Sur, Philippines. According to the 2024 census, it has a population of 4,846 people.

It is home to the Lidlidda Protected Landscape, a protected area situated in the municipality's watershed.