Pennsylvania shares borders with New York, New Jersey, Delaware, Maryland, West Virginia, and Ohio
New York, Michigan, Ohio, Minnesota and Pennsylvania
to their own south Connecticut & Rhode Island to new yorks south New Jersey & Pennsylvania
Yes, the state has a 51 mile coastline on Lake Erie which includes the city of Erie.
Lake Ontario borders Canada, and New York.
lake Ontario
West Virginia is a mountain state that borders only other mountain states, including Kentucky, Maryland, Ohio, Pennsylvania, and Virginia.
Lake Ontario
New York state only borders one other country. New York borders Canada and in particular the province of Quebec.
New York borders Lake Erie and Lake Ontario plus the Atlantic Ocean.
From east to west, the states that border Lake Erie are New York, Pennsylvania, Ohio, and Michigan. Ohio has the longest border, with only tips of New York, Pennsylvania, and Michigan bordering the lake. Canada's Ontario province borders Lake Erie on to the north.
Pennsylvania only has a border with one Great Lake, Lake Erie, between its shorelines in Ohio and New York.