The Republic of Indonesia is located in the southeast of Asia. It is an Asian country surrounded by many countries including Malaysia, the Philippines, Singapore, the Andaman Islands, Australia, etc. The city of Jakarta is the capital of the Republic of Indonesia. The area of Indonesia is about 1,919,440 square kilometres Indonesia has a17,508 islands, Indonesia's population is about 240 million, Indonesia ranks fourth in the world in terms of population, 18th in terms of GDP, and 15th in terms of purchasing power. The community in Indonesia consists of six recognized religions, the Islam, where Indonesia is one of the largest countries in terms of the Muslim population, there are Protestant and Catholic and there are Buddhism, Hinduism and Confucianism. Indonesian is the official language. Indonesia is a nation of beauty and excellence. Indonesia has one of the largest marine archipelagoes in the world, stretching over large and beautiful areas, mediating the Indian and Pacific oceans that making every region of Indonesia a unique tourist center. The climate in Indonesia is hot and humid. The average annual temperature of the lowlands is 27m, while in the highlands it is lower. The most important tourist areas in Indonesia are Jakarta, Medan, Bandung, Padang, Sanur, Surabaya, Yogyakarta and Bali.