The Pyongbu Line is the southern part of the Kyongui Line railway in North Korea

North Korea

The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

, running from Pyongyang

Pyongyang Station

Pyongyang Station is the central railway station of Pyongyang, North Korea. It is the start of the Pyongbu and Pyongui Line, which were adjusted from the Kyongbu and Kyongui Lines used before the division of Korea to accommodate the shift of the capital from Seoul to Pyongyang...

 to Kaesong

Kaesong Station

Kaesong Station is a passenger railway station located in Kaesŏng, North Korea. It is on the Pyongbu Line, which is regarded as a part of the Gyeongui Line in South Korea.-History:...

, near the border with South Korea

South Korea

The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

. This line theoretically connects Pyongyang

Pyongyang

Pyongyang is the capital of the Democratic People's Republic of Korea, commonly known as North Korea, and the largest city in the country. Pyongyang is located on the Taedong River and, according to preliminary results from the 2008 population census, has a population of 3,255,388. The city was...

 to Busan

Busan

Busan , formerly spelled Pusan is South Korea's second largest metropolis after Seoul, with a population of around 3.6 million. The Metropolitan area population is 4,399,515 as of 2010. It is the largest port city in South Korea and the fifth largest port in the world...

 in South Korea but, in reality, it ends at Kaesong because of the Korean Demilitarized Zone

Korean Demilitarized Zone

The Korean Demilitarized Zone is a strip of land running across the Korean Peninsula that serves as a buffer zone between North and South Korea. The DMZ cuts the Korean Peninsula roughly in half, crossing the 38th parallel on an angle, with the west end of the DMZ lying south of the parallel and...

. The northern part of the Kyongui Line is the Pyongui Line

Pyongui Line

The P'yŏngŭi Line is a rail line in North Korea connecting the capital city, Pyongyang, with Sinuiju at the northwestern corner of the country. It is the main corridor for overland traffic between North Korea and China, and is one of the country's most important rail lines...

, running from Pyongyang to Sinuiju

Sinuiju Station

Sinuiju Station is the railway station of Sinuiju, North Korea. It is the final stop on the Pyongui Line, which runs from Pyongyang to Sinuiju...

, near the Chinese

People's Republic of China

China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

border.