ISO 3166-2:KR

ISO 3166-2:KR is the entry for South Korea in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization, which defines codes for the names of the principal subdivisions of all countries coded in ISO 3166-1.
Currently for South Korea, ISO 3166-2 codes are defined for one special city, six metropolitan cities, seven provinces, two special self-governing provinces and one special self-governing city. All of them are province-level subdivisions.
Each code consists of two parts separated by a hyphen. The first part is, the ISO 3166-1 alpha-2 code of South Korea. The second part is two digits:

Current codes

Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency.
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Code	Subdivision name	Local variant	Subdivision name	Subdivision name	Subdivision category
	Busan-gwangyeoksi	Busan	부산광역시	Busan	metropolitan city
	Chungcheongbuk-do	Chungbuk	충청북도	North Chungcheong	province
	Chungcheongnam-do	Chungnam	충청남도		province
	Daegu-gwangyeoksi	Daegu	대구광역시	Daegu	metropolitan city
	Daejeon-gwangyeoksi	Daejeon	대전광역시	Daejeon	metropolitan city
		Gangwon	강원특별자치도	Gangwon
	Gwangju-gwangyeoksi	Gwangju	광주광역시	Gwangju	metropolitan city
	Gyeonggi-do	Gyeonggi	경기도	Gyeonggi	province
	Gyeongsangbuk-do	Gyeongbuk	경상북도	North Gyeongsang	province
	Gyeongsangnam-do	Gyeongnam	경상남도	South Gyeongsang	province
	Incheon-gwangyeoksi	Incheon	인천광역시	Incheon	metropolitan city
	Jeju-teukbyeoljachido	Jeju	제주특별자치도	Jeju	special self-governing province
	Jeollabuk-do	Jeonbuk	전라북도	North Jeolla	province
	Jeollanam-do	Jeonnam	전라남도	South Jeolla	province
	Sejong		세종	Sejong	special self-governing city
	Seoul-teukbyeolsi	Seoul	서울특별시	Seoul	special city
	Ulsan-gwangyeoksi	Ulsan	울산광역시	Ulsan	metropolitan city

; Notes

The following changes to the entry have been announced in newsletters by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998:

Newsletter	Date issued	Description of change in newsletter
		Correction of 1 spelling mistake. Update of the source information

The following changes to the entry are listed on ISO's online catalogue, the Online Browsing Platform:

Effective date of change	Short description of change
2023-11-23	Change of category name from province to special self-governing province for KR-42; Update List Source