Sibunag is a fifth class
municipality in the
province of
Guimaras,
Philippines. Its territory includes the islands of
Inampulugan, Natugna, and several other minor islets in the Guimaras Stait. According to the 2010 census, it has a population of 19,565 people. The town was created by virtue of
Republic Act No. 7896 on February 20, 1995.