The Philippines is an archipelago of over 7,000 islands located in Southeast Asia. It has a tropical maritime climate and is surrounded by the Philippine Sea to the east, the South China Sea to the west, and the Celebes Sea to the south. The terrain is mostly mountainous and volcanic, and the country is prone to earthquakes. The capital and largest city is Manila. The Philippines has a population of over 99 million people and is made up of 17 regions divided into 81 provinces.