Jakarta is the capital of the Republic of Indonesia . With 9.58 million inhabitants (2010) in the city proper (ie excluding the suburban belt) is the largest city in Southeast Asia with about 28 million inhabitants (2010) in the metropolitan region ‘s largest metropolitan area in the country. The capital has the status of a province, ruled by a governor. It is the political, economic and cultural center and transportation hub of the country with universities, colleges, theaters and museums. The city’s population is of different origin. To live in Jakarta, people of Malay , Arab , Indian , Dutch and Chinese descent.
The city is located in the Bay of Jakarta ( Indonesian Teluk Jakarta ) on the northwest coast of the island of Java , at the mouth of the Ciliwung average of eight meters above sea level . The city is flat and has an area of 661.52 square kilometers. The Jakarta area is used for agriculture. In strategic areas of tropical rain forest is found.
In the Bay of Jakarta is located on city owned island group Kepulauan Seribu (dt “Thousand Islands”). The 105 islands, 45 kilometers north of the city has an area of 11.8 square kilometers. The local marine national park is the recreation of the population. The metropolitan region Jabotabek has an area of 7315 square kilometers and includes the cities of Jakarta Bekasi , Bogor , Depok and Tangerang and three regencies (Bekasi, Bogor and Tangerang).
The geological structure of the island of Java, Jakarta is on, is mainly determined by the volcanic material. Only a small part of the area consists of older rocks, more than two-thirds are covered by volcanic deposits: ashes, tuffs and lava eruptions of younger and older. The remainder consists of Tertiary sediments . The island is located at the site of the Sunda arc , where the destruction of the earth’s crust, most intense, most of the old base was destroyed and is now largely submerged under the sea level of the Java Sea. Also present are numerous volcanoes are active. Their ashes are blown far across the country and form a continuous effective mineral fertilizers. Either direct ash fall is recorded, or the loose volcanic materials are transported and deposited by the rivers.
The city is located in the tropical climate zone . The average annual temperature is 26.2 ° C, annual rainfall 1799 millimeters on average. The average daily high temperatures in Jakarta from 28.9 to 31.1 ° C. The average daily temperature is about 25.6 to 26.7 ° C, where the highest temperature in October was 26.7 ° C and the lowest in February at 25.6 ° C in the long term average. Main rainy season is between December and March. Most precipitation falls in January and February with an average of 300 millimeters, the fewest in August with an average of 43 millimeters. Due to the high precipitation and air pollution in Jakarta, it is mostly hazy.
Heavy rainfalls during the monsoon floods again and again in Jakarta. In early February of 2007, about three quarters of the metropolitan city under water, hundreds of thousands of people were left homeless and up to the 5th February were counted 29 deaths. This flood exceeded the floods of 2002 that killed 21 people and more than 300,000 homeless.