Casian is an island in the Philippines under the jurisdiction of Taytay in the province of Palawan. The island lies within the Sulu Sea.

Casian has an approximate area of 7.14 square kilometers or 2.76 square miles, and roughly has a coastline length of 13.51 kilometers or 8.40 miles. The island is situated at approximately 11.0428, 119.7125. Elevation at these coordinates is estimated at 72 meters or 236.22 feet above mean sea level.


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