When you want to stay in Indonesia for up to 30 days, you can purchase a “Visa on Arrival” in Denpasar Bali or Jakarta on arrival as stated. When you do arrive, go in the direction of Immigration (always follow the signs), You need to enter the country of Indonesia. At the Immigration Counter you’ll find a Visa Counter, where you can buy a visa for 25 US Dollars. Have your money ready in line. With this Visa and your passport, you can go to the Immigration Counter and enter into Indonesia. You would go through the same process when you enter in through Jakarta. When you want to simplify your arrival and entrance into the country, you must go to the Indonesian Embassy in your country and apply for a visa there. It takes about 2 weeks to receive your visa and you must send your passport in the mail. Send in your passport only with Express mail, and then you’ll always know where it is. This can also be managed over Visa express, go in the internet to the site:
www.visaexpress.de/visumantraege-laenderinfos/visum-indonesien