Indonesia, the full name of the Republic of Indonesia, is located in southeastern Asia and straddles the equator. It is the world's largest archipelagic country. It consists of 17,508 islands between the Pacific and Indian Oceans, of which about 6000 are inhabited. The land area is 1,904,400 square kilometers, and the ocean area is 3,166,200 square kilometers (excluding the exclusive economic zone). It is known as the country of thousands of islands. The island of Kalimantan in the north borders Malaysia, and the island of New Guinea is connected to Papua New Guinea. It faces the Philippines to the northeast, the Indian Ocean to the southwest, and Australia to the southeast. The total length of the coastline is 54,716 kilometers. It has a tropical rain forest climate with an average annual temperature of 25-27°C. Indonesia is a country of volcanoes. There are more than 400 volcanoes in the country, including more than 100 active volcanoes. The volcanic ash from the volcano and the abundant rainfall brought by the oceanic climate make Indonesia one of the most fertile regions in the world. The islands of the country are full of green mountains and green waters, all seasons are summer, people call it "Emerald on the Equator".

Indonesia has 30 first-level administrative regions, including Jakarta Capital Special Zone, Yogyakarta and Aceh Darussalam two local special zones and 27 provinces.

Some scattered feudal kingdoms were established in the 3-7th century AD. From the end of the 13th century to the beginning of the 14th century, the most powerful Mahabashi feudal empire in Indonesian history was established in Java. In the 15th century, Portugal, Spain and Britain invaded successively. The Dutch invaded in 1596, the "East India Company" was established in 1602, and a colonial government was established at the end of 1799. Japan occupied Indonesia in 1942 and declared independence on August 17, 1945, establishing the Republic of Indonesia. The Federal Republic was established on December 27, 1949 and joined the Dutch-Indian Federation. In August 1950, the Indonesian Federal Assembly passed a provisional constitution, officially proclaiming the establishment of the Republic of Indonesia.

National flag: The flag surface is composed of two equal horizontal rectangles with upper red and lower white. The ratio of length to width is 3:2. Red symbolizes bravery and justice, and also symbolizes Indonesia’s prosperity after independence; white symbolizes freedom, justice, and purity, and also expresses the Indonesian people’s good wishes against aggression and peace.

Indonesia has a population of 215 million (data from the National Bureau of Statistics of Indonesia in 2004), making it the fourth most populous country in the world. There are more than 100 ethnic groups, including Javanese 45%, Sundanese 14%, Madura 7.5%, Malay 7.5%, and other 26%. The official language is Indonesian. There are about 300 national languages ​​and dialects. About 87% of residents believe in Islam, which is the country with the largest Muslim population in the world. 6. 1% of the population believe in Protestant Christianity, 3.6% believe in Catholicism, and the rest believe in Hinduism, Buddhism, and primitive fetishism.

Resource-rich Indonesia is known as the "Treasure Island of the Tropics" and is rich in mineral resources. The forest area is 94 million hectares, accounting for 49% of the country's total area. Indonesia is the largest economy in ASEAN, with a gross national product of 26.4 billion U.S. dollars in 2006, ranking 25th in the world with a per capita value of 1,077 dollars. Agriculture and oil and gas industries are traditional pillar industries in Indonesia. 59% of the country’s population is engaged in agricultural production including forestry and fisheries. The output of cocoa, palm oil, rubber and pepper all rank second in the world, and the production of coffee ranks fourth in the world.

Indonesia is a member of the Organization of Petroleum Exporting Countries (OPEC). At the end of 2004, it produced approximately 1.4 million barrels of crude oil per day. The Indonesian government attaches great importance to the tourism industry and pays attention to the development of tourist attractions. Tourism has become an important industry in Indonesia for earning foreign exchange. The main tourist spots are Bali, Borobudur Pagoda, Indonesia Miniature Park, Yogyakarta Palace, Lake Toba, etc. Java Island is the most economically, politically and culturally developed area in Indonesia. Some important cities and historical sites are located on this island.

Jakarta: Jakarta, the capital of Indonesia, is the largest city in Southeast Asia and a world-famous seaport. Located in the northwest coast of Java Island. The population is 8.385 million (2000). The Greater Jakarta Special Zone covers an area of ​​650.4 square kilometers and is divided into five cities, namely East, South, West, North and Central Jakarta. Among them, East Jakarta has the largest area with 178.07 square kilometers.

Jakarta has a long history. As early as the 14th century, Jakarta had become a port city that was beginning to take shape. At that time, it was called Sunda Garaba, which means "coconut". Overseas Chinese called it "Coconut City". It was renamed Jakarta around the 16th century, meaning "the castle of victory and glory." The port belonged to the Bachara Dynasty in the 14th century. In 1522, the Kingdom of Banten conquered the area and built a city. On June 22, 1527, it was renamed Chajakarta, which means "Triumphal City", or Jakarta for short. In 1596, the Netherlands invaded and occupied Indonesia. In 1621, Jakarta was changed to the Dutch name "Batavia". On August 8, 1942, the Japanese army restored the name of Jakarta after occupying Indonesia. On August 17, 1945, the Republic of Indonesia was formally established and its capital was Jakarta.

Jakarta has many tourist attractions. In the eastern suburbs 26 kilometers away from the city center, there is the world-famous "Indonesia Mini Park", also known as "Mini Park", and some call it "Miniature Country". The park covers an area of ​​more than 900 acres and was officially opened in 1984. The city has more than 200 mosques, more than 100 Christian and Catholic churches, and dozens of Buddhist and Taoist monasteries. Pandan is a concentrated area of ​​Chinese. The nearby Xiaonanmen is the central Chinese business district. Tanjung is 10 kilometers east of Jakarta and is a world-famous seaport. The Dream Park here, also known as Fantasy Park, is one of the largest amusement parks in Southeast Asia. There are new hotels, open-air cinemas, sports cars, bowling alleys, golf courses, racetracks, large artificial wave swimming pools, children’s playgrounds, and nets. Stadiums, nightclubs, beach huts, steam baths, yachts, etc. attract a large number of tourists.