nán běi
north and south
north to south
Zhōng qīng
Chungcheong Province of Joseon Korea, now divided into North Chungcheong province 忠清北道[Zhōng qīng běi dào] and South Chungcheong province 忠清南道[Zhōng qīng nán dào] of South Korea
Zhōng qīng dào
Chungcheong Province of Joseon Korea, now divided into North Chungcheong province 忠淸北道[Zhōng qīng běi dào] and South Chungcheong province 忠淸南道[Zhōng qīng nán dào] of South Korea