The Philippines (ˈfɪlɨpiːnz/; FI-lə-peenz; Filipino: Pilipínas [ˌpɪlɪˈpinɐs]), officially known as the Republic of the Philippines (Filipino: Repúblika ng Pilipinás), is a sovereign state in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam. The Sulu Sea to the southwest lies between the country and the island of Borneo, and to the south the Celebes Sea separates it from other islands of Indonesia. It is bounded on the east by the Philippine Sea. Its location on the Pacific Ring of Fire and its tropical climate make the Philippines prone to earthquakes and typhoons but have also endowed the country with natural resources and made it a megadiverse country. Covering almost three hundred thousand square kilometres (over 115,000 sq mi) makes it the 73rd largest independent nation and an archipelago comprising 7,107 islands, the Philippines is categorized broadly into three main geographical divisions: Luzon, Visayas, and Mindanao. Its capital city is Manila.