Joint Security Area Definition

Timeline

27 July 1953
It sits roughly 53 km north of Seoul and was established following the signing of the Korean Armistice Agreement on , which paused but did not end the Korean…
18 August 1976
For decades, personnel from both sides could move freely throughout the JSA, but after the "axe murder incident" of — in which two U.S.
27 April 2018
It hosted the inter-Korean summit between Moon Jae-in and Kim Jong Un on , which produced the Panmunjom Declaration, and the impromptu meeting of Donald Trum…
30 June 2019
It hosted the inter-Korean summit between Moon Jae-in and Kim Jong Un on 27 April 2018, which produced the Panmunjom Declaration, and the impromptu meeting o…

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In April 2018, South Korean President Moon Jae-in and North Korean leader Kim Jong Un met inside the Joint Security Area at Panmunjom and signed the Panmunjom Declaration.

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Timeline

27 July 1953

It sits roughly 53 km north of Seoul and was established following the signing of the Korean Armistice Agreement on , which paused but did not end the Korean…

18 August 1976

For decades, personnel from both sides could move freely throughout the JSA, but after the "axe murder incident" of — in which two U.S.

27 April 2018

It hosted the inter-Korean summit between Moon Jae-in and Kim Jong Un on , which produced the Panmunjom Declaration, and the impromptu meeting of Donald Trum…

30 June 2019

It hosted the inter-Korean summit between Moon Jae-in and Kim Jong Un on 27 April 2018, which produced the Panmunjom Declaration, and the impromptu meeting o…

Research it like a delegate

The Joint Security Area (JSA), also called Panmunjom, is the only portion of the Korean Demilitarized Zone (DMZ) where forces from North Korea and the United Nations Command (UNC) — which includes South Korean and U.S. personnel — stand face-to-face. It sits roughly 53 km north of Seoul and was established following the signing of the Korean Armistice Agreement on 27 July 1953, which paused but did not end the Korean War.

The JSA was originally created as a venue for the Military Armistice Commission to oversee implementation of the armistice. Several pale-blue conference huts straddle the Military Demarcation Line (MDL) that bisects the area; inside these buildings, delegates can technically cross between the two Koreas. For decades, personnel from both sides could move freely throughout the JSA, but after the "axe murder incident" of 18 August 1976 — in which two U.S. Army officers were killed by North Korean soldiers during a tree-trimming dispute — the MDL was marked on the ground and movement was restricted to each side's half.

The JSA has been the stage for major diplomatic moments. It hosted the inter-Korean summit between Moon Jae-in and Kim Jong Un on 27 April 2018, which produced the Panmunjom Declaration, and the impromptu meeting of Donald Trump, Kim Jong Un, and Moon Jae-in on 30 June 2019, when Trump briefly stepped across the MDL.

The area has also seen high-profile defections, including a dramatic dash south by a North Korean soldier in November 2017 and the unauthorized crossing north by U.S. Army Private Travis King in July 2023 (he was returned to U.S. custody in September 2023). Security at the JSA is governed jointly under the UNC, and tours from the southern side are periodically suspended during periods of heightened tension.

Frequently asked questions

Who controls the Joint Security Area?

The southern half is administered by the United Nations Command, which includes South Korean and U.S. forces, while the northern half is controlled by the Korean People's Army of North Korea.

Can civilians visit the JSA?

Yes, guided tours operate from both sides when security conditions allow, though access from the South Korean side has been suspended at various times, including after the July 2023 incident involving U.S. soldier Travis King.

Is the JSA the same as the DMZ?

No. The DMZ is a roughly 250 km-long, 4 km-wide buffer running across the peninsula. The JSA is a small area within the DMZ at Panmunjom used for negotiations and direct contact between the two sides.

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Timeline

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Frequently asked questions

Who controls the Joint Security Area?

Can civilians visit the JSA?

Is the JSA the same as the DMZ?

Go deeper than the definition

Take Joint Security Area beyond the glossary

Frequently asked questions

Who controls the Joint Security Area?

Can civilians visit the JSA?

Is the JSA the same as the DMZ?