query: How big are the British Virgin Islands?
passage: British Virgin Islands
The British Virgin Islands comprise around 60 tropical Caribbean islands, ranging in size from the largest, Tortola, being 20km (12mi) long and 5km (3mi) wide, to tiny uninhabited islets, altogether about 150 square kilometres (58 square miles) in extent. They are located in the Virgin Islands archipelago, a few miles east of the US Virgin Islands, and about 95km (59mi) from the Puerto Rican mainland. About 150km (93mi) east south-east lies Anguilla. The North Atlantic Ocean lies to the east of the islands, and the Caribbean Sea lies to the west. Most of the islands are volcanic in origin and have a hilly, rugged terrain. Anegada is geologically distinct from the rest of the group and is a flat island composed of limestone and coral.
passage: Little Tobago, British Virgin Islands
At in size, it is surrounded by steep cliffs that also extend below the water. Since the 1990s, Great Tobago, Little Tobago islands, and nearby Mercurious and Watson Rocks are protected as part of the National Parks Trust.