Wikipedia
Chongjin
Chŏngjin is the capital of North Korea's North Hamgyong Province and the country's third largest city. It is sometimes called the City of Iron.
Usage examples of "chongjin".
You study the background this so-called Esteeler spaceman Metion Chongjin gives us.
But the electronic pickings were slim near two of their key targets, the ports of Chongjin and Songjin.