It was Rome, Italy.
Athens, Greece, hosted the 1896 Summer Olympics, which was the first official olympic games. Paris, France, hosted the 1924 Summer Olympics. Berlin, Germany, hosted the 1936 Summer Olympics. Rome, Italy, hosted the 1960 Summer Olympics. Tokyo, Japan, hosted the 1964 Summer Olympics. Montreal, Canada, hosted the 1976 Summer Olympics. Seoul, South Korea, hosted the 1988 Summer Olympics. Barcelona, Spain, hosted the 1992 Summer Olympics. Atlanta, United States, hosted the 1996 Summer Olympics. Beijing, China, hosted the 2008 Summer 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.
Poland never hosted any summer or winter olympics.
Cambodia has never hosted the Olympics.
The USA has hosted the Winter Olympics four times: Lake Placid, New York (1932 & 1980); Squaw Valley, California (1960); Salt Lake City, Utah (2002).
Rio, Brazil hosted the Olympics in 2016.
London has never hosted the Winter Olympics.
Peru had never hosted the Olympics.
The Olympics have never been hosted in Bolivia.
Torino has not hosted the Summer Olympics. They hosted the Winter Olympics in 2006.
Yes, Barcelona hosted the Olympics in 1992.