Ontario (Canada) is 9.7 times larger than Bulgaria.
Area: 110,879 km2 World Factbook
Population: 6,924,716 (July 2014) World Factbook
Bulgaria, officially the Republic of Bulgaria, is a country in southeastern Europe. It is bordered by Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. Wikipedia
Ontario is one of the ten provinces of Canada, located in east-central Canada. It is Canada's most populous province by a large margin, accounting for nearly 40% of all Canadians, and is the second largest province in total area. Wikipedia