Anju-si is a city in the South P'yŏngan province of North Korea, and is located at the coordinates of 39°37′N 125°40′E﻿ / ﻿39.62°N 125.66°E﻿ / 39.62; 125.66. Its population was 240,117 in 2008.[1] The Ch'ongch'on River passes through Anju.