Davos is an Alpine resort town and municipality in the Prättigau/Davos Region in the canton of Graubünden, Switzerland. It has a permanent population of 10,832. Davos is located on the river Landwasser, in the Rhaetian Alps, between the Plessur and Albula R…Davos is an Alpine resort town and municipality in the Prättigau/Davos Region in the canton of Graubünden, Switzerland. It has a permanent population of 10,832. Davos is located on the river Landwasser, in the Rhaetian Alps, between the Plessur and Albula Ranges.