This Article Castiel Switzerland is composed of Creative Common Content.\n The Original Article can be location at WikiPedia.org.\n \nCastiel is a former municipality in the district of Plessur in the canton of Graubnden in Switzerland. On 1 January 2013 the former municipalities of Castiel Calfreisen Langwies Len Molinis Peist and St. PeterPagig merged into the municipality of Arosa. Nomenklaturen Amtliches Gemeindeverzeichnis der Schweiz accessed 9 February 2013ref