coral island group in the French overseas country of New Caledonia, southwestern Pacific Ocean. Comprising Pott and Art islands and several islets, the group lies within the northern continuation of the barrier reef that surrounds the main island of New Caledonia. The chief settlement is Wala, on Art Island. The largest of the group, Art Island is 10 miles (16 km) long and 3 miles (5 km) wide. Total land area 27 square miles (70 square km). Pop. (2004) 930.