ID-BA	Bali
 ID-BB	Bangka-Belitung[?]
 ID-BT	Banten
 ID-BE	Bengkulu[?]
 ID-GO	Gorontalo[?]
 ID-JA	Jambi[?]
 ID-JR	Jawa Barat[?]
 ID-JT	Jawa Tengah[?]
 ID-JI	Jawa Timur[?]
 ID-KB	Kalimantan Barat[?]
 ID-KS	Kalimantan Selatan[?]
 ID-KT	Kalimantan Tengah[?]
 ID-KI	Kalimantan Timur[?]
 ID-LA	Lampung[?]
 ID-MA	Maluku
 ID-MU	Maluku Utara[?]
 ID-NB	Nusa Tenggara Barat[?]
 ID-NT	Nusa Tenggara Timur[?]
 ID-IJ	Papua[?]
 ID-RI	Riau[?]
 ID-SN	Sulawesi Selatan[?]
 ID-ST	Sulawesi Tengah[?]
 ID-SG	Sulawesi Tenggara[?]
 ID-SW	Sulawesi Utara[?]
 ID-SB	Sumatera Barat[?]
 ID-SL	Sumatera Selatan[?]
 ID-SU	Sumatera Utara[?]

Special district (1)

 ID-JK	Jakarta Raya[?]

Special regions (2)

 ID-AC	Aceh
 ID-YO	Yogyakarta