• Official language
Korean language, also known as Han kook mal or Han kook in Seoul and nearby area is used as a common language.
• Local dialects
Korean language has many dialects Local accents are generally similar. Except on Jeju dialect that differs somewhat. The most important difference between each local accent is an accent, dialect of Seoul, will focus very little noise. And very low height of uttering versa Gyeongsang dialect of the low height of sounding so much.