country paju station
Munsan is an administrative division (" eup ") of " Paju - si ", " Gyeonggi - do ", " ___MASK78___ ". It lies on the south bank of the Imjin River , close to the edge of the Demilitarized Zone and near Panmunjom and the Joint Security Area . Munsan Station is a railway station on Gyeongui Line , and the northern terminus of the Gyeongui  Jungang metro line . It is notable for being the closest station on the Seoul Metropolitan Subway to the border with North ___MASK81___ that is open for passenger service , only a few kilometers away . As a regular railway station it is an interim stop between Dorasan Station in the demilitarised zone and Seoul Station . Paju Station is a railway station on the Gyeongui Line . The Gyeongui Line is a railway line between Seoul and Dorasan Station in Paju . Korail operates the Seoul Metropolitan Subway service between Seoul Station and Munsan Station . ___MASK81___ Railroad Corporation ( Korean :  , Hanja :  ), promoted as Korail (  ), is the national railroad operator in ___MASK78___ . The Seoul Metropolitan Subway is an integrated urban rail transit system consisting of 20 rapid transit , light metro , commuter rail and people mover lines located in ___MASK78___ . The system serves most of the Seoul Metropolitan Area including the Incheon metropolis and satellite cities in Gyeonggi province . Some lines in the network cross large rural areas to reach major cities in northern Chungnam province and western Gangwon province that lie over 100 km away from the capital . Dorasan Station is a railway station situated on the Gyeongui Line , which once connected North ___MASK81___ and ___MASK78___ and has now been restored . For several years the northernmost stop on the Gyeongui Line was Dorasan Station , which was served by Tonggeun commuter trains . Seoul (  )  officially the Seoul Special City  is the capital and largest metropolis of the Republic of ___MASK81___ ( commonly known as ___MASK78___ ), forming the heart of the Seoul Capital Area , which includes the surrounding Incheon metropolis and Gyeonggi province , the world ' s 16th largest city . It is home to over half of all South Koreans along with 678 , 102 international residents . Seoul Station is a major railway station in Seoul , the capital of ___MASK78___ . The station is served by the Gyeongbu Line , its high - speed counterpart and the Gyeongui Line , with frequent high - speed , express , and local services to various points in ___MASK78___ . Line 1 and Line 4 ' s official station name is Seoul Station ' s Station . Dorasan or Mount Dora is a 156 - metre hill on the north bank of the Imjin River in northernmost Paju , ___MASK78___ . It lies very near the Korean Demilitarized Zone . The hill gives its name to several nearby landmarks , including Dorasan Station and the Mt . Dora Observatory , as well as to the local administrative unit Dorasan - ri . Paju is a city in Gyeonggi Province , ___MASK78___ . Paju was made a city in 1997 ; it had previously been a county (" gun ").