he town of Lidlidda is situated within the Northern Upland Municipalities of the Province of Ilocos Sur. There are eleven (11) Barangays that composed the town. It is bounded by Burgos of the North, on the East of San Emilio, on the west of Santiago and Banayoyo and on the South Candon all Municipalities of Ilocos Sur. The town is approximately seventy three (73) kilometers south of Vigan, the capital of the province. It is within the geographical coordinates 0f 16-18 degrees longitude. The total land area is 3,468 hectares.

The tow has forest resources like timber, cogon, bamboo, etc. the principal river is the San Emilio- Lidlidda River going down to Burgos and Sta. Maria.

Lidlidda is under the first type of rainfall, distinct dry and wet season, generally wet from May to October, dry during the rest of the year. Typhoons rarely visit. The municipality as it is shielded by mountain ranges East, North, West and South borders. Typhoons generally occur during the months of July to September.

The Municipality has an average monthly relative humidity of 13 mm. The average temperature experienced by the municipality is 23.0c C with January as the coolest month and the average temperature is 33.40 C with May as the warmest month.