Newfoundland and Labrador contains the island Puerto Rico.
Newfoundland and Labrador . Situated in the country 's Atlantic region , it comprises the island of Newfoundland and mainland Labrador to the northwest , with a combined area of 405212 km2 . Newfoundland and Labrador 's capital and largest city , St. John 's , is Canada 's 20th-largest census metropolitan area and is home to almost 40 percent of the province 's population .