The Treaty of Nöteborg, also known as the Treaty of Oreshek or the Treaty of Pähkinäsaari, was the peace treaty signed at Oreshek Fortress on 12 August 1323. It was the first agreement between Sweden
The two-branched border as defined in the treaty, according to John H. Lind and Jarl Gallén. Shown in red the undisputed section of the border, shown in black dotted line the two branches of the border and in gray the border that was in use in the 16th century.