In much the manner that all continental US states have borders with surrounding states and in some cases, have borders with Canada and Mexicico; Canada is no different.
Canadian provinces have provicial borders with neighboring provinces and international borders with the United states. Island provinces such as Newfoundland and Prince Edward island do not have back-to back borders; however, their borders are located in the bodies of water that surround them.
Note: Canada's three teritories (Northwest Territories; Yukon and Nunavut) as well as the provinces of Newfoundland and Prince Edward island do not border with the United States.
The province of Quebec has seven borders as follows:
1. To its West, it borders with the province of Ontario.
2. To its East, it borders with Labrador (part of Newfoundland).
3. To its South, it borders the province of New Brunswick and with the United States and in particular, the States of New York; Vermont; New Hampshire and Maine.
NOTE: PEI Provincial Government Island Information Service reports as follows:
"On the South side of the Island, the mid-point of the Northumberland Strait is shared with N.S and N.B and each of the three Provinces has jurisdiction on their side of the mid-point."
The United States of America, which Quebec does share a direct border with. Quebec is not a country - it is a Province of Canada.
Yes, I know Quebec borders Maine, New Hampshire, Vermont, and part of New York.
British Columbia, Alberta, Saskatchewan, Manitoba, Ontario and Quebec border the United States.
the quebec and Ontario considered Canada's heartland is in southern quebec and southern Ontario which is closer to the border of the uinted states.
No states borders Newfoundland and Labrador. Newfoundland and Labrador borders Nunavut and Quebec.
British Columbia, Alberta, Saskatchewan, Manitoba, Ontario and Quebec border the United States.
Seven Canadian provinces border the United States. They are British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, and New Brunswick.
British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, New Brunswick are the provinces that share a direct land border with the United States, and the Yukon shares a border with the American state Alaska.
Primarily in the border areas between the New England states and Quebec, and also in Louisiana.
Vermont shares borders with the U.S. states of New Hampshire, Massachusetts and New York and the Canadian province of Quebec.
The seven Canadian provinces that share a border with the the U.S. are British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec and New Brunswick.
New Jersey, Pennsylvania, Connecticut, Massachusetts, Vermont, a water border with Rhode Island and Canada's Ontario and Quebec.