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Giarsun is a village in Graubünden, 
Villages in Graubünden
{{Graubünden-geo-stub
Switzerland
). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
.
Villages in Graubünden
{{Graubünden-geo-stub