Indonesia, officially known as Republic of Indonesia is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising of approximately 17,508 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. The nation's capital city is Jakarta. Indonesia's national motto, "Bhinneka Tunggal Ika" ("Unity in Diversity" literally, "many, yet one"), articulates the diversity that shapes the country.
Indonesia lies between latitudes 11°S and 6°N, and longitudes 95°E and 141°E. At 1,919,440 square kilometers (741,050 sq mi), Indonesia is the world's 16th-largest country in terms of land area.
Indonesia's location on the edges of the Pacific, Eurasian, and Australian tectonic plates makes it the site of numerous volcanoes and frequent earthquakes. Indonesia has at least 150 active volcanoes, including Krakatoa and Tambora, both famous for their devastating eruptions in the 19th century.
Lying along the equator, Indonesia has a tropical climate, with two distinct monsoonal wet and dry seasons. Average annual rainfall in the lowlands varies from 1,780–3,175 millimeters (70–125 in), and up to 6,100 millimeters (240 in) in mountainous regions. Mountainous areas—particularly in the west coast of Sumatra, West Java, Kalimantan, Sulawesi, and Papua—receive the highest rainfall. Humidity is generally high, averaging about 80%. Temperatures vary little throughout the year; the average daily temperature range of Jakarta is 26–30 °C (79–86 °F).
Dialect and Language
More than 483 languages and dialects spoken in the archipelago. Included in 350 different ethnic groups. Indonesian is the national language, written in Roman script and based on European orthography. In each area a tourist destination, English is the number one foreign language is often spoken and written. While on a specific destination in Arabic and Chinese are more frequently used.