Dún Geanainn

Dungannon, whose Irish name Dún Geanainn means 'Geanann's fort', derives from the personal name of an early Gaelic figure commemorated in the settlement's toponym. For centuries, the town served as the principal stronghold and capital of the O'Neill dynasty, who dominated much of Ulster from the medieval period onwards. In the 14th century, the O'Neills built a substantial castle on Castle Hill...