Micronesia is an area in Oceania. Many islands in the western Pacific Ocean are part of it. Micronesia means small islands in ancient Greek language.
The Philippines is to the west of Micronesia. Indonesia, Papua New Guinea, and Melanesia are to the south of Micronesia. Polynesia is to the east of Micronesia.
Most of the islands in Micronesia are atolls. These are ring-shaped islands made of a coral reef. But some are high islands with a coral reef around them.