El IHorborborough Castle Kuyindawo yokuhlala izikhulu zikahulumeni ze ENyakatho ye-Ireland njengoNobhala Wombuso WaseNyakatho ye-Ireland, kanye nendawo yokuhlala esemthethweni yaseNyakatho ye-Ireland ye-HM Queen Elizabeth II namanye amalungu omndeni wasebukhosini waseBrithani lapho bevakashela lesi sifunda, kanye nendlu yezivakashi yezivakashi ezivelele zamazwe omhlaba.
Kusukela ngo-1922 kuya ku-1972 kwakuyindawo yokuhlala uMbusi waseNyakatho ye-Ireland. Isikhundla sombusi, owayengummeli wenkosi eNyakatho ne-Ireland, saqedwa ngo-1973.
ICastill Hillsborough, etholakala edolobheni laseHillsborough, eCountry Down, ayisona isigodlo sangempela. Yisithabathaba somuzi waseGeorgia, esakhiwe ngekhulu le-18 lomndeni waseHill, uMarquesses waseDownshire, owayengumnikazi waso kwaze kwaba ngu-1922, lapho iMarquis yesi-XNUMX ithengisa le nkundla nezindawo zayo kuhulumeni waseBrithani.
Ngokuthenga uhulumeni uxazulule inkinga ebonakalayo. Ngaphansi koMthetho kaHulumeni wase-Ireland ka-1920 kwakusungulwe izwe elisha elibizwa ngokuthi i-Northern Ireland. Amandla okuphatha ayenikezwe iNyakatho ye-Ireland kanye ne-Southern Ireland eLord Lieutenant of Ireland, okwakufanele ibe ngesinye sezici ezimbili kulo lonke elase-Ireland (kanye noMkhandlu wase-Ireland) ekwakhiweni komthetho omusha wendlu.
Kodwa-ke lelo cala lasuswa ekushintsheni komthetho kulandela iSivumelwano Sase-Anglo-Irish sango-1921, esasisusa e-Southern Ireland (empeleni eyayikhona ephepheni kuphela) sayifaka i-Irish Free State. Ihhovisi elisha leNyakatho ye-Ireland lenzelwa kuphela ukuvala isikhala, leso soMbusi waseNyakatho ye-Ireland.
IHillborborough Castle, yize yayingaphandle kwenhlokodolobha, iBelfast, yathathwa njengendawo efanelekile. Ngemuva kokulungiswa okuthile, umbusi wokuqala, uJames Albert Edward Hamilton, uMbusi wesithathu wase-Abercorn, wangena ngo-3.