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Panapukan Beach on Samar
|Adjacent bodies of water|
|Area||13,428.8 km2 (5,184.9 sq mi)|
|Coastline||800.6 km (497.47 mi)|
|Highest elevation||850 m (2,790 ft)|
|Highest point||Mount Huraw|
|Largest settlement||Calbayog (pop. 183,851)|
|Pop. density||130.4 /km2 (337.7 /sq mi)|
Samar (// SAH-mar) is the third largest island in the Philippines. Located in eastern Visayas, within central Philippines. The island is divided into three provinces: Samar (the western two-fifths of the island of Samar), Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region.
Samar is the easternmost island in Visayas. The island is separated from Leyte by the San Juanico Strait, which at its narrowest point is only about 2 kilometres (1.2 mi) across. This strait is crossed by the San Juanico Bridge. Samar lies southeast of the Bicol Peninsula on Luzon, the country's largest island; the San Bernardino Strait separates the two. To the south of Samar is the Leyte Gulf, which was the site of the Battle of Leyte Gulf, one of the most decisive naval battles during the Second World War. The gulf opens out into the Philippine Sea, found to the east of Samar and is part of the Pacific Ocean.
On June 19, 1965, through Republic Act No. 4221, Samar was divided into three provinces: Northern Samar, Western Samar and Eastern Samar with Catarman, Catbalogan City and Borongan City as its capital, respectively. Thus, June 19 is a regular non-working local holiday of the said provinces
Samar was the first island of the Philippines sighted by the Spanish expedition of Ferdinand Magellan on 16 March 1521 after having left the Mariana Islands. Realizing he had arrived at an archipelago he charted the islands as San Lazaro (Saint Lazarus in English) because they were sighted on Lazarus Saturday. Even if Samar was the first island of the Philippines sighted by Magellan, he did not land and continued sailing south till, after anchoring at Suluan Island, he finally landed on Homonhon Island on 17 March 1521.
Historian William Henry Scott wrote that a “Samar datu by the name of Iberein was rowed out to a Spanish vessel anchored in his harbor in 1543 by oarsmen collared in gold; while wearing on his own person earrings and chains.” In the local epic called siday entitled "Bingi of Lawan" as written in the article of Scott, Lawan is a prosperous Lakanate in Samar. Datu Hadi Iberein came from the Lakanate of Lawan 
- "2010 Philippine Yearbook" (PDF) (23rd ed.). Manila, Philippines: National Statistics Office. ISSN 0116-1520. Retrieved 2015-12-14.
- "Islands of Philippines". Island Directory. United Nations Environment Programme. Retrieved 18 September 2015.
- "Population and Annual Growth Rates for The Philippines and Its Regions, Provinces, and Highly Urbanized Cities" (PDF). 2010 Census and Housing Population. National Statistics Office. Retrieved 18 September 2015.
- Parr, Charles McKew So Noble a Captain: The Life and Times of Ferdinand Magellan Thomas Y. Crowell, New York, 1953. p.431
- Scott, William Henry (1985). Cracks in the parchment curtain and other essays in Philippine history. New Day Publishers. p. 93. ISBN 978-971-10-0073-8.