Igis (Romansh: Eigias) is a former municipality in the district of Landquart in the Swiss canton of Graubünden. Far better known than its proper name Igis is its hamlet Landquart, because of its Rail Station and motorway exit. The municipalities of Igis and Mastrils merged on 1 January 2012 into the new municipality of Landquart.

Landquart is a municipality in the Landquart Region in the Swiss canton of Graubünden. It was formed when the municipalities of Igis and Mastrils merged on 1 January 2012 into the new municipality of Landquart. The municipality "Landquart" draws its name from a locality in the former municipality of Igis.