Simplify the following text for a Grade 5 native English-speaking person.
Original: The Turks and Caicos Islands are divided into six administrative districts ( two in the Turks Islands and four in the Caicos Islands ) , headed by district commissioners . For the House of Assembly , the Turks and Caicos Islands are divided into 15 electoral districts ( four in the Turks Islands and eleven in the Caicos Islands ) .
Simplified: The Turks and Caicos Islands are two groups of islands that are owned by the British .