12576428345683254325 countries competed. 12576428345683254325 countries competed.
There were no Winter Olympics in 2004.
Greece
HELLO
59
88 countries competed in the 2010 olympics.
4,955 athletes from 69 countries competed in the 1952 Summer Games in Helsinki.
Ancient Olympics were only open to different greek regions.
10,651.
204
i dont know 20
82 nations.
one