This map is an official tourist map of Gongju(Gongju-city) made by Gongju local government. You can get this map of paper version at tourist information center in Gongju or at tourist information center of highway rest-area for free.
Gongju is 1 hour 30 minutes away from Seoul by car and 1 hour 4 minutes away from Seoul by KTX=. Gongju is 3 hours 40 minutes away from Busan by car but there is no direct KTX route from Busan to Gongju. (KTX - Korea Train eXpress and SRT - Super Rapid Train are Korean high-speed trains)
You can write 'Gongju' as '공주' in Hangul, Korean letters. If you want to practice writing '공주' before your Gongju trip, click here and download Hangul writing practice worksheet of '공주'.