Calbiga
| Calbiga | |
|---|---|
| Municipality of Calbiga | |
| Etymology: Calviva | |
| Map of Samar with Calbiga highlighted | |
| OpenStreetMap | |
| Location within the Philippines | |
| Coordinates: 11°38′N 125°01′E / 11.63°N 125.02°E | |
| Country | Philippines | 
| Region | Eastern Visayas | 
| Province | Samar | 
| District | 2nd district | 
| Barangays | 41 (see Barangays) | 
| Government | |
| • Type | Sangguniang Bayan | 
| • Mayor | Melchor F. Nacario | 
| • Vice Mayor | Eva L. Castillo | 
| • Representative | Reynolds Michael Tan | 
| • Councilors | List | 
| • Electorate | 18,174 voters (2025) | 
| Area | |
|  • Total | 283.70 km2 (109.54 sq mi) | 
| Elevation | 56 m (184 ft) | 
| Highest elevation | 340 m (1,120 ft) | 
| Lowest elevation | 0 m (0 ft) | 
| Population  (2020 census) | |
|  • Total | 23,310 | 
| • Density | 82/km2 (210/sq mi) | 
| • Households | 5,589 | 
| Economy | |
| • Income class | 4th municipal income class | 
| • Poverty incidence | 28.10 | 
| • Revenue | ₱ 208.6 million (2022) | 
| • Assets | ₱ 507.6 million (2022) | 
| • Expenditure | ₱ 182.6 million (2022) | 
| • Liabilities | ₱ 140.8 million (2022) | 
| Service provider | |
| • Electricity | Samar 2 Electric Cooperative (SAMELCO 2) | 
| Time zone | UTC+8 (PST) | 
| ZIP code | 6715 | 
| PSGC | |
| IDD : area code | +63 (0)55 | 
| Native languages | Waray Tagalog | 
Calbiga, officially the Municipality of Calbiga (Waray: Bungto han Calbiga; Tagalog: Bayan ng Calbiga), is a municipality in the province of Samar, Philippines. According to the 2020 census, it has a population of 23,310 people. The town is famous for the Langun-Gobingob Caves which is the largest cave system in the Philippines, reputed to be the second largest in Asia and the world's third largest karst formation.