Sarawak also known as Bumi Kenyalang(Land of the Hornbills), is one of the two Malaysian states on the island of Borneo(Sabah being the other state). This territory has a certain level of autonomy in administration, immigration, and judiciary which differentiates it from the Malaysian Peninsula states. Sarawak is situated in northwest Borneo, bordering the state of Sabah to the northeast, Kalimantan Borneo to the south, and surrounding the independent state of Brunei. The capital city, Kuching, is the economic centre of the state and the seat of the Sarawak state government. Other cities and towns in Sarawak include Miri, Sibu, andBintulu. As of the 2015 census in Malaysia, the state's population is 2,636,000.Sarawak has an equatorial climate with tropical rainforests and abundant animal and plant species. The state has several prominent cave systems at Gunung Mulu National Park. Rajang River is the longest river in Malaysia; Bakun Dam, one of the largest dams in Southeast Asia, is located on one of its tributaries. Mount Murud is the highest point in Sarawak.