Switzerland. Canton Graubünden. S-chanf. Traditional Oberengadin house. Small windows on the walls. The current Grison flag is a heraldic representation of the coat of arms of the Three Leagues (1450–1799). The Three Leagues was the alliance of 1471 of the League of God's House, the League of the Ten Jurisdictions and the Grey League, leading eventually to the formation of the Swiss canton of Graubünden (Grisons). which is the largest and easternmost canton of Switzerland. 12.09.2020 © 2020 Didier Ruef