New Brunswick is one of three provinces collectively known as the "Maritimes." Joined to Nova Scotia by the narrow Chignecto Isthmus and separated from Prince Edward Island by the Northumberland Strait, New Brunswick forms the land bridge linking this region to continental North America. It is bounded in the north by Québec and in the west by the US (Maine). In 1784, the British divided Nova Scotia at the Chignecto Isthmus, naming the west and north portion New Brunswick after the German duchy of Brunswick-Lunenburg. New Brunswick is now the only officially bilingual province in Canada.