Location

• A. Mathematical Location

  The mathematical location of a place means its longitude and latitude.
  This is called an absolute location. Daejeon is in a temperate monsoon zone where four seasons prevail and the temperature is warm. The mathematical location of Daejeon is as follows.

  
• B. Geographical Location

  Daejeon is called the "Middle City," as the city is at the center of South Korea. As a gateway to the Gyeongsang and Jeolla Provinces, Daejeon is 167.3km from Seoul, 238.2km from Busan and 169km from Gwangju.
  Daejeon is where the Seoul-Busan Highway joins the Honam Highway, so the city is an important place in the nation’s traffic system.

• C. Size

  As of July of 2015, Daejeon was 539.98㎢ wide and home to 1,525,195 people. Therefore, Daejeon came in fifth among Korea’s six largest cities Seoul, Busan, Daegu, Incheon and Gwangju by size and population. By ward sizes, Yuseong-gu is the largest, followed by Dong-gu, Seo-gu, Daedeok-gu and Jung-gu.