Tubabao is an island in the Philippines under the jurisdiction of Guiuan in the province of Eastern Samar. The island lies within the Leyte Gulf.

Tubabao has an approximate area of 6.13 square kilometers or 2.37 square miles, and roughly has a coastline length of 13.04 kilometers or 8.10 miles. The island is situated at approximately 11.0464, 125.6980. Elevation at these coordinates is estimated at 35 meters or 114.83 feet above mean sea level.


  1. Land area figures and coastline length were calculated from OpenStreetMap data.
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