You probably can see more clearly about Indonesia position in the world from this Xerox map and CIA's southeast Asia map . Here you can see some postcard pictures on Indonesia. The Indonesian population consist of 200 million people. Being a country of islands, Indonesia is very multicultural. There are hundreds of different ethnic and cultures.
Every culture have their own language, art, food, etc.
In fact Indonesia have more than 700 different dialects from more than 250 different languages. Some of the languages even have different grammars. The government enforce the use of the language, and therefore most Indonesian understand enough Indonesian Language to communicate. CIA World Fact Book 1996 on Indonesia . Ministry of Foreign Affairs of the Republic of Indonesia Indonesian Home Page at Jakarta, Indonesia , or to Indonesian Home Page at Manitoba, Canada .