It is a member of the Challengers League , an amateur league and the third tier of league football in South Korea .
Gyeongju Citizen FC is a South Korean football club based in the city of Gyeongju .
Gyeongju Citizen FC is a member of the Challengers League , an amateur league and the third tier of league football in South Korean   .
Gyeongju Citizen FC is a South Korean football club based in the city of Gyeongju .