Dufferin (barony)

Dufferin
An Duifrian (Irish)
Location of Dufferin, County Down, Northern Ireland.
Sovereign stateUnited Kingdom
CountryNorthern Ireland
CountyDown

Dufferin (from Irish [A]n Duibhthrian, meaning 'the black third') is a historic barony in County Down, Northern Ireland. It is on the southern half of the west shore of Strangford Lough, and is bordered by three other baronies: Castlereagh Lower to the north; Castlereagh Upper to the west; and Lecale Lower to the south.