South Sandwich Islands (UK)

Nobody lives here nothing is here and nothing is under it the most useless islands. (21th of the British overseas territories I have recreated in worldbox) 1 Turks and Caicos islands 2 Cayman islands 3 British Antarctica 4 Anguilla island 5 Bermuda island 6 Tristan da Cunha 7 Inaccessible island (part of Tristan da Chuna) 8 Nightingale Island and its surronding islands (part of Tristan da Chuna) 9 Gough island (part of Tristan da Chuna) 10 Ascension island 11 Saint Helena 12 Akrotiri and Dhekelia 13 Turks and Caicos islands (missing part) 14 British Indian Ocean Territory 15 Big Sand Cay (part of the Turks and Caicos Islands) 16 Ducie Island (part of Pitcairn islands) 17 Henderson Island (part of Pitcairn islands) 18 Oeno island and sandy island (part of Pitcairn islands) 19 Pitcairn Island (part of Pitcairn islands) 20 Montserrat 21 South Sandwich Islands