The first and only Olympics held in Korea was the 1988 Summer Olympics which were held in Seoul.
Olympia, Greece. First Summer Olympics
The 2004 Summer Olympics were held in Athens, but unlike the first answer, the first Olympics were held in Olympia not in Athens.
That was the 1988 Summer Olympics held in Seoul, South Korea.
The 1968 summer Olympics were held in Mexico City!
The 1936 summer Olympics were held in Berlin, Germany
When and where were the first modern Summer Olympics held
When and where were the first modern Summer Olympics held
There is no indication of a 2002 summer Olympics. The winter Olympics were held in Salt Lake City, Utah USA.
The 2016 Summer Olympics will be held in Rio de Janeiro, Brazil.
The 2020 summer olympics will be held in Tokyo, Japan.
No city in Africa has ever held the Summer Olympic Games.