Yes, 3 times: 1964 Summer Olympics in Tokyo
1972 Winter Olympics in Sapporo
1998 Winter Olympics in Nagano
no she did not
No, but Finland (Helsinki) did host the 1952 Summer Olympics.
No, but it will in 2016.
Yes they did hold the Olympics :)
they didn't win the Olympics
Yes, Japan hosted the Olympics three times. Tokyo hosted the Summer Olympics in 1964, Sapporo hosted the Winter Olympics in 1972, and Nagano hosted the Winter Olympics in 1998. Tokyo is scheduled to host the Summer Olympics again in 2020.
Portugal has yet to host the Olympics games.
No, as of the 2008 Summer Olympics Vietnam has never hosted the Olympics.