Ballina is the largest town in County Mayo in the Republic of Ireland. It lies at the mouth of the River Moy near Killala Bay, in the Moy valley, with the Ox Mountain range to the east and the Nephin Beg Mountains to the west. Ballina is in north Mayo, in the province of Connacht.
According to the 2002 census, Ballina is the largest town at 1,451 hectares, compared to Castlebar at 1,099 hectares. Castlebar, however, was recorded as having a larger population of 10,287, compared to Ballina at 9,478.
