The Aran Islands or The Arans are a group of three islands at the mouth of Galway Bay, off the west coast of Ireland, with a total area around 46 km2. They constitute the historic barony of Aran in County Galway. From west to east, the islands are: Inishmore, which is the largest; Inishmaan, the second-largest; and Inisheer, the smallest. There are also several islets. The population of 1,347 primarily speak Irish, making the islands a part of the Gaeltacht.