Nauru

The Republic of Nauru and formerly known as Pleasant Island, is an island nation in Micronesia in the South Pacific. Its nearest neighbour is Banaba Island in Kiribati, 300 km to the east. Nauru is the world's smallest island nation, covering just 21 square kilometres (8.1 sq mi)

This remote island has no native ants.

There are no records of ants on Nauru.