Montreal is a location.
Montreal . Montreal is one of the most bilingual cities in Quebec and Canada , with 56 % of the population able to speak both official languages . Montreal is the second-largest primarily French-speaking city in the world after Paris . Being the location of the headquarters of the International Civil Aviation Organization , Montreal is one of three North American cities home to organizations of the United Nations ( along with New York and Washington ) and also has the 2nd-highest number of consulates in the continent . In 2009 , Montreal was named North America 's leading host city for international association events , according to the 2009 preliminary rankings of the International Congress and Convention Association ( ICCA ) . It is the only Canadian city to have held the Summer Olympics .