Kim Jong-un is set to become the first North Korean leader to enter South Korea since the end of the Korean War in 1953, as he prepares to cross the border on Friday morning.
South Korea said President Moon Jae-in would personally meet Mr Kim at the border at 09:30 (00:30 GMT).
The historic summit will focus on the North's recent indications it could be willing to give up its nuclear weapons.
Talks are also proposed between Mr Kim and US President Trump by early June.
Mr Kim will remain inside the demilitarised zone between the countries, but will cross the military demarcation line – a clearly defined marker of the official land border between the territories.
He will arrive by car then walk to the meeting point on foot, crossing the border not far from where a North Korean defector was shot multiple times by North Korean troops as he escaped, just five months ago.
At the summit, the two leaders will address North Korea's controversial nuclear weapons programme. Seoul has warned that reaching an agreement to rid Pyongyang of its nuclear weapons will be “difficult”. North Korea's nuclear and missile technology has advanced significantly since the sides' leaders last met more than a decade ago.
“The difficult part is at what level the two leaders will be able to reach an agreement regarding willingness to denuclearise,” South Korean presidential spokesperson Im Jong-seok said.
The meeting – the third of its kind following summits in 2000 and…
