Similar to ISO_3166-2:US
ISO 3166-2:NR
ISO 3166-2:NRISO 3166-2:NU
ISO 3166-2:NUISO 3166-2:NZ
ISO 3166-2:NZISO 3166-2:OM
ISO 3166-2:OMISO 3166-2:PA
ISO 3166-2:PAISO 3166-2:PE
ISO 3166-2:PEISO 3166-2:PF
ISO 3166-2:PFISO 3166-2:PG
ISO 3166-2:PGISO 3166-2:PH
ISO 3166-2:PHISO 3166-2:PK
ISO 3166-2:PKISO 3166-2:PL
ISO 3166-2:PLISO 3166-2:PM
ISO 3166-2:PMISO 3166-2:PN
ISO 3166-2:PNISO 3166-2:PR
ISO 3166-2:PRISO 3166-2:PS
ISO 3166-2:PSISO 3166-2:PT
ISO 3166-2:PTISO 3166-2:PW
ISO 3166-2:PWISO 3166-2:PY
ISO 3166-2:PYISO 3166-2:QA
ISO 3166-2:QAISO 3166-2:RE
ISO 3166-2:REISO 3166-2:RO
ISO 3166-2:ROISO 3166-2:RS
ISO 3166-2:RSISO 3166-2:RU
ISO 3166-2:RUISO 3166-2:RW
ISO 3166-2:RWISO 3166-2:SA
ISO 3166-2:SAISO 3166-2:SB
ISO 3166-2:SBISO 3166-2:SC
ISO 3166-2:SCISO 3166-2:SD
ISO 3166-2:SD