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.