The Turks and Caicos Islands lie southeast of Mayaguana in the Bahamas island chain and north of the island of Hispaniola. Cockburn Town, the capital since 1766, is situated on Grand Turk Island about 1,042 kilometres (647 mi) east-southeast of Miami in the United States. The islands have a total land area of 430 square kilometres (170 sq mi). The islands are geographically contiguous to the Bahamas, but are politically a separate entity.