The Riau Islands () is a province of Indonesia. It comprises a total of 1,796 islands scattered between Sumatra, Malay Peninsula, and Borneo. Situated on one of the world's busiest shipping lanes along the Malacca Strait and the South China Sea (Natuna Sea), the province shares water borders with neighboring countries such as Singapore, Malaysia, and Brunei. The Riau Islands also has a relatively large potential of mineral resources, energy, as well as marine resources. The capital of the province is Tanjung Pinang and the largest city is Batam.