How big is nauru?

Nauru is a tiny island nation located in the southwestern Pacific Ocean. It is roughly 21 square kilometres (8.1 sq mi) in size, making it one of the smallest countries in the world. The island has a circumference of approximately 19 kilometres (12 mi) and is about 6 kilometres (3.7 mi) long and 4 kilometres (2.5 mi) wide at its widest points.