Which territory in Canada is the largest

Nunavut

Explanation:

My friend is from Canada

The correct answer is Nunavut

Nunavut is the youngest, largest in territory, most northern, and the second least populous of all Canadian territories.

Canada is the largest country in America and the second largest in the world. Since the year 1547, maps have shown Canada as being the entire region north of the St. Lawrence River. The country's capital, Ottawa, is located in the province of Ontario