Palau is an archipelago of more than 500 islands, some portion of the Micronesia area in the western Pacific Ocean. Koror Island is home to the previous capital, likewise named Koror, and is the islands' business focus. The bigger Babeldaob has the present capital, Ngerulmud, in addition to mountains and sandy shorelines on its east coast. In its north, old basalt stone monuments known as Badrulchau lie in green fields encompassed by palm trees.