Coordinates: 54°06′45″N 9°53′57″W / 54.11250°N 9.89917°W
Gweesalia (Geesala; Irish: Gaoth Sáile) is a small village in the barony of Erris in the west of County Mayo, Ireland. It has a population of a couple of hundred, and has suffered much from emigration over the years. The village has one pub, a National school, 2 general stores (Moran's and Munnelly's), and a post office.
On Saturdays only Bus Éireann route 446 links Gweesalia with Blacksod and Ballina. Onward bus and rail connections are available at Ballina.
Each summer there is a festival which runs between the second and third weeks in August, which attracts many emigrants to return home. The highlight is the point to point beach racing on Doolough beach.
Geesala is also the setting for John Millington Synge's seminal Irish play, The Playboy of the Western World.