Indonesia–Malaysia border Indonesia–Malaysia border The border between the Southeast Asian countries of Indonesia and Malaysia consist of both a land border separating the two countries' territories on the island of Borneo as well as maritime boundaries along the length of the Straits of Malacca, in the South China Sea and in the Celebes Sea. The land boundary has a length of 2,019.5 km and stretches from Tanjung Datu at the northwestern corner of Borneo, through the highlands of the Borneo hinterland, to the Gulf of Sebatik and the Celebes Sea in the eastern side of the island. The boundary separates the Indonesian
Flag of Brunei Flag of Brunei The flag of Brunei has a centered crest of Brunei on a yellow field cut by black and white diagonal stripes (parallelograms at an angle). The yellow field represents the sultan of Brunei. The red crest consists of a crescent facing upwards, joined with a parasol, with hands on the sides. Black and white stripes run across the flag. In Southeast Asia, yellow is traditionally the color of royalty, and the royal standards of Malaysia and Thailand, and the flag of Sarawak, along with the presidential flag of Indonesia, all use a yellow field as well. The