Flag of the Cook Islands Flag of the Cook Islands The flag of the Cook Islands, officially known as the Cook Islands Ensign, is based on the traditional design for former British colonies in the Pacific region. It is a blue ensign containing the Union Flag in the upper left, and on the right, fifteen stars in a ring. The Union Flag is symbolic of the nation's historic ties to the United Kingdom and to the Commonwealth of Nations. The stars stand for the fifteen islands that make up the Cook Islands (Tongareva, Rakahanga, Manihiki, Pukapuka, Nassau, Suwarrow, Palmerston, Aitutaki, Manuae, Takutea, Atiu, Mitiaro, Mauke,
Flag of the Austral Islands symbolizes the archipelago. The red stripes are a reminder that the archipelago is part of French Polynesia, and blue symbolizes the sea. The colors are prescribed as red Pantone 185c and blue Pantone 286c. On 4 December 1985 the Territorial Government decreed that the flags of the archipelagos and islands of French Polynesia may be flown next to the French Polynesian Territorial and French National flags. The former flag of the Austral Islands has a white vertical stripe placed along the hoist, covering 1/3 of the flag length and containing the writing ARCHIPEL / DES / ILES / AUSTRALES ("Archipelago