Proper noun
(historical, –1922) The seat of the British government's administration in Ireland.
(metonymically) British rule in Ireland.
Source: en.wiktionary.org1979–81: Early success main During 1979, the band began to attract a live following in London, being regulars at the Dublin Castle in Camden Town. citation The band's first commercial recording was the Lee Thompson composition " The Prince ". Source: Internet
British families came to Dublin Castle in May 1916 to reclaim the bodies of British soldiers, and funerals were arranged. Source: Internet
Ó Broin, Leon, Dublin Castle & the 1916 Rising, pp. 81–87 By the time Birrell cabled his reply authorising the action, at noon on Monday 24 April 1916, the Rising had already begun. Source: Internet
But, the G-Division from Dublin Castle turn out in force to investigate. Source: Internet
City Hall was taken from the rebel unit that had attacked Dublin Castle on Tuesday morning. Source: Internet
A quiet revolution has taken place,” he said in a speech at Dublin Castle, where the referendum result was declared, showing 66 percent had voted to repeal the constitutional ban on abortions. Source: Internet