The D'vrex Archipelago was one of the largest island archipelagos on the planet Romulus, the others being the Sath'har Archipelago and the Uulmar Islands.
History and specifics[]
It was located between Brel'Kar and Novok. It was bordered on the west by the Sea of Lerodan and on the south by the South Mendlanar Sea. (Last Unicorn RPG - The Way of D'era: The Romulan Star Empire module: The Romulans)