Grisons (Switzerland) flag 120 x 120 cm
Graubünden or Grisons; Italian: Grigioni; Romansh: Grischun; see also other names) is the largest and easternmost canton of Switzerland. The canton shares international borders with Italy (Trentino-Alto Adige/South Tyrol and Lombardy), Austria (Vorarlberg) and Liechtenstein. The name Graubünden translates as the "Grey Leagues," referring to the canton's origin in three local alliances, the League of God's House, the Grey League, and the League of Ten Jurisdictions. Graubünden is also home to three of Switzerland's ethnic groups and the subsequent languages of Swiss German, Italian and Romansh are all native to the province. It is also the only canton where the ancient Romansh dialects are still spoken.
source: wikipedia