In North Korea and Yanbian Korean Autonomous Prefecture in China , the language is most often called Chosŏnmal ( 조선말 ) , or more formally , Chosŏnŏ ( 조선어 ) .
In North Korea , however , it is called chosŏnmal ( 조선말 ) or chosŏnŏ ( 조선어 , 朝鮮語 ) .