 It is adjacent to Venezuela, Brazil, and Suriname, and is within the vicinity of the island nation of Trinidad and Tobago.Athletes from Guyanese delegations have appeared at the Olympics since the 1948 Summer Olympics in London, and have participated at every Summer Olympic games between 1948 and 2008 except for the 1976 Summer Olympics in Montréal.Guyana declared independence from the British Empire in 1966, and participated in all previous games (from 1948 to 1964) under its colonial name, British Guiana.