Here's some basic information for you when it comes to travel to Indonesia...
OFFICIAL NAME
Republic of Indonesia
CAPITAL
Jakarta
OFFICIAL LANGUAGE
Indonesian (official), local languages, the most important of which is Javanese.
FLAG
The flag of Indonesia is two equal horizontal bands of red (top) and white.
MONEY
TIME
BUSINESS HOURS
RELIGION
Constitutional guarantees of religious freedom apply to the five religions recognized by the state, namely Islam (87%), Protestantism (6%), Catholicism (3%), Buddhism (2%), and Hinduism (1%). In some remote areas, animism is still practiced.