Newfoundland and Labrador is outside of Canada.
Atlantic Canada is the region of Canada comprising the four provinces located on the Atlantic coast , excluding Quebec : the three Maritime provinces -- New Brunswick , Prince Edward Island , and Nova Scotia -- and the easternmost province of Newfoundland and Labrador . 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 .