County Mayo (Irish: Contae Mhaigh Eo, meaning "County of Plain of Yews", after Mayo Abbey) is a county in the province of Connacht, located on the west coast of Ireland. The county town of Mayo is Castlebar. Mayo is bordered to the south by Galway, to the east by Roscommon, and to the north-east by Sligo. Castlebar and Ballina are by far the two most populous towns in the county.