Caladh an Treoigh

The name Caladh an Treoigh derives from the surname de Treo, with An Treoch referring to a personal name that became embedded in the place name. Castle Troy, known locally as the Black Castle, dominates the historical record of Castletroy. Erected in the 13th century during the reign of Henry III by the O'Brien family, the castle occupied a strategic position on the southern bank of the River S...