The Virgin Islands consist of the main islands of Tortola, Virgin Gorda, Anegada, and Jost Van Dyke, along with over fifty other smaller islands and cays. About 15 of the islands are inhabited. The capital, Road Town, is situated on Tortola, the largest island, which is approximately 20 km (12 mi) long and 5 km (3 mi) wide. The islands have a population of about 27,800, of whom approximately 23,000 live on Tortola.