Belaga is the capital of the Belaga District (19,403.2 square kilometers) in Kapit Division, Sarawak, Malaysia. It is located on the upper reaches of the Rajang River, some 120 kilometers northeast of Kapit as the crow flies but considerably further on the river and slightly less than 100 kilometers from the South China Sea coast near Bintulu. It is located within the Hulu Rajang parliamentary constituency. The district population as of 2010 was 37,102. Belaga was established in the early 1900s when a few Chinese traders set up shops and started trading with the Orang Ulu, supplying essentials such as kerosene, salt and manufactured goods.

This warm abode of Belaga is a delightful place to visit in Malaysia. Tour packages of Belaga are of 1 to 2 days duration.