Connected to the nearby western Portion of Malaysia by a causeway 1.2 km. in length across the narrow Johore Strait and positions at the eastern end of the Strait of Malacca, which separates western Malaysia and the Indonesian island of Sumatra.

• 北隔柔佛海峡与马来西亚西端为邻，海峡上有长堤相连；南隔马六甲海峡与马来西亚西部及印度尼西亚的苏门达腊岛相望。