Plattsburgh-Burlington-Montreal

Etymology
. From being a region including the United States population centers of Plattsburgh and Burlington in the Champlain Valley, and environs, and southern Quebec in Canada, including metropolitan Montreal, primarily focused on the Champlain Valley.

Proper noun

 * 1) A United States media market found in northern New York and northern Vermont, where advertising prices also include the broadcast reach into Canada for those stations, especially the metropolis of Montreal, found just to the north following the Richelieu River running out of Lake Champlain.