Similar to ISO_3166-2:GB
ISO 3166-2:BB
ISO 3166-2:BBISO 3166-2:BD
ISO 3166-2:BDISO 3166-2:BE
ISO 3166-2:BEISO 3166-2:BF
ISO 3166-2:BFISO 3166-2:BG
ISO 3166-2:BGISO 3166-2:BH
ISO 3166-2:BHISO 3166-2:BI
ISO 3166-2:BIISO 3166-2:BJ
ISO 3166-2:BJISO 3166-2:BL
ISO 3166-2:BLISO 3166-2:BM
ISO 3166-2:BMISO 3166-2:BN
ISO 3166-2:BNISO 3166-2:BO
ISO 3166-2:BOISO 3166-2:BQ
ISO 3166-2:BQISO 3166-2:BR
ISO 3166-2:BRISO 3166-2:BS
ISO 3166-2:BSISO 3166-2:BT
ISO 3166-2:BTISO 3166-2:BV
ISO 3166-2:BVISO 3166-2:BW
ISO 3166-2:BWISO 3166-2:BY
ISO 3166-2:BYISO 3166-2:BZ
ISO 3166-2:BZISO 3166-2:CA
ISO 3166-2:CAISO 3166-2:CC
ISO 3166-2:CCISO 3166-2:CD
ISO 3166-2:CDISO 3166-2:CF
ISO 3166-2:CFISO 3166-2:CG
ISO 3166-2:CGISO 3166-2:CH
ISO 3166-2:CHISO 3166-2:CI
ISO 3166-2:CIISO 3166-2:CK
ISO 3166-2:CK