The Republic of Indonesia is an archipelago nation made up of over 17,000 islands, with a population of over 238 million people. The capital and largest city is Jakarta, located on the island of Java. The most widely spoken language is Indonesian, although there are over 300 local languages spoken. Islam is the predominant religion. Business meetings focus more on relationship building than immediate deals, and maintaining harmony is very important culturally. Health risks for travelers include malaria, dengue fever, and food/water-borne illnesses; precautions like boiling water and peeling fruits are recommended.