Following are the list the winners from Wednesday's 16 gubernatorial and mayoral races and their party affiliations.
Mayors
Seoul -- Oh Se-hoon (incumbent, ruling Grand National Party)
Incheon -- Song Young-gil (former lawmaker, main opposition Democratic Party)
Busan -- Hur Nam-sik (incumbent, GNP)
Gwangju -- Kang Woon-tae (former lawmaker, DP)
Daejeon -- Yum Hong-chul (chair professor at the University of North Korean Studies, Liberty Forward Party)
Daegu -- Kim Bum-il (incumbent, GNP)
Ulsan -- Park Maeng-woo (incumbent, GNP)
Governors
Gyeonggi Province -- Kim Moon-su (incumbent, GNP)
Gangwon Province -- Lee Kwang-jae (former lawmaker, DP)
North Chungcheong Province -- Lee Si-jong (former lawmaker, DP)
South Chungcheong Province -- An Hee-jung (DP supreme council member, DP)
North Gyeongsang Province -- Kim Kwan-yong (incumbent, GNP)
South Gyeongsang Province -- Kim Doo-gwan (former minister of government administration and home affairs, independent)
North Jeolla Province -- Kim Wan-joo (incumbent, DP)
South Jeolla Province -- Park Joon-young (incumbent, DP)
Jeju Province -- Woo Keun-min (former Jeju governor, independent)