찾아보니 북한에 해당되더군요. 오해를 살만합니다.
Democratic People's Republic of Korea긴 하지만 north로 제대로 표현했으면..
http://thediplomat.com/2014/05/vietnamese-upset-by-imperious-thai-customs/
Thai immigration officials have provoked a political storm with warning signs at customs posts ranking Vietnam alongside 10 potentially troublesome countries, including Afghanistan, Pakistan, North Korea, Iran and Saudi Arabia and demanding their citizens show proof that they are carrying at least $700 before entering Thailand.