Indeksa prefikso
- Info ISO-3166-2:BG
- Info ISO-3166-2:BG-01
- Info ISO-3166-2:BG-02
- Info ISO-3166-2:BG-03
- Info ISO-3166-2:BG-04
- Info ISO-3166-2:BG-05
- Info ISO-3166-2:BG-06
- Info ISO-3166-2:BG-07
- Info ISO-3166-2:BG-08
- Info ISO-3166-2:BG-09
- Info ISO-3166-2:BG-10
- Info ISO-3166-2:BG-11
- Info ISO-3166-2:BG-12
- Info ISO-3166-2:BG-13
- Info ISO-3166-2:BG-14
- Info ISO-3166-2:BG-15
- Info ISO-3166-2:BG-16
- Info ISO-3166-2:BG-17
- Info ISO-3166-2:BG-18
- Info ISO-3166-2:BG-19
- Info ISO-3166-2:BG-20
- Info ISO-3166-2:BG-21
- Info ISO-3166-2:BG-23
- Info ISO-3166-2:BG-24
- Info ISO-3166-2:BG-25
- Info ISO-3166-2:BG-26
- Info ISO-3166-2:BG-27
- Info ISO-3166-2:BG-28