Bintulu is a coastal town, and the capital of Bintulu District (7,220.4 square kilometers) in the Bintulu Division of Sarawak, Borneo. It is about 650 kilometers from Kuching and about 215 kilometers from either Sibu or Miri.
In late December 1980, strong winds, torrential rain, and heavy swells in the seas, constant heavy rains caused water from the Miri River to overflow into Lutong.