1,919,440 square kms
The area of Australia is 2,970,000 square miles. The area of Indonesia is 735,000 square miles. If you divide Australia's area by Indonesia's area, you find that Indonesia would fit in Australia 4 times.
The area of North Sulawesi (Sulawesi Utara), Indonesia, is 15,359 square kilometers.
The area of North Sumatra (Sumatera Utara), Indonesia, is 72,981 square kilometers.
The area of North Jakarta (part of the city of Jakarta, Indonesia) is 146.66 square kilometers.
The floor area of Grand Indonesia in Jarkarta is 640,000 m2 (6,900,000 sq ft).
The country code and area code of Arobaya, Indonesia is 62, (0)31.
The country code and area code of Bandung, Indonesia is 62, (0)22.
The country code and area code of Batam, Indonesia is 62, (0)77.
The country code and area code of Bogor, Indonesia is 62, (0)25.
The country code and area code of Cirebon, Indonesia is 62, (0)23.
The country code and area code of Demak, Indonesia is 62, (0)29.
The country code and area code of Ende, Indonesia is 62, (0)38.