Mosfellsbaer is a locality located 11 km west-southwest from Reykjavik in Capital Region, Iceland. The population of Mosfellsbaer is 11,463 people. Alftanes, Gardabaer, Hafnarfjordur are located close to Mosfellsbaer. You can find Mosfellsbaer on any map using the following decimal coordinates: 64.1686 (latitude), -21.7132 (longitude).