Arklow (Irish: An t-Inbhear Mór, meaning Great Estuary) is a historic town locate in County Wicklow on the east coast of Ireland. Founded by the Vikings in the ninth century, Arklow was the site of one of the bloodiest battles of the 1798 rebellion. It is now a thriving commuter town with a population of 11,759 at the 2006 census, making it the third largest town in the county.