El Gidan Hillsborough Gidaje ne na jami'an gwamnati na Arewacin Ireland kamar yadda Sakataren Gwamnati na Arewacin Ireland, da kuma gidan hukuma ta Arewacin Ireland na HM Sarauniya Elizabeth II da sauran membobin gidan masarautar Burtaniya lokacin da suka ziyarci yankin, da kuma gidan baƙi don fitattun baƙi na duniya.
Daga 1922 zuwa 1972 gidan Hakimin Arewacin Ireland ne. An dakatar da mukamin Gwamna, wanda ya kasance wakilin Irish na Arewacin Irish, a 1973.
Castill Hillsborough, wanda yake a cikin garin Hillsborough, County Down, ba gidan gaskiya bane. Gida ne na Georgia, wanda aka gina a karni na 18 don dangin Hill, Marquesses na Downshire, wanda ya mallake shi har zuwa 1922, lokacin da Marquis na XNUMX ya sayar da gidan da filayensa ga gwamnatin Burtaniya.
Tare da sayan gwamnati ta warware matsalar aiki. A karkashin Dokar Gwamnatin Ireland ta 1920 sabuwar ƙasa ce da ake kira Arewacin Ireland. An sanya ikon zartarwa zuwa Arewacin Ireland da Kudancin Ireland a cikin Lord Lieutenant na Ireland, wanda yakamata ya kasance ɗayan sifofi biyu a duk Ireland (tare da Majalisar Ireland) a cikin tsarin sabon dokar gidan.
Koyaya an cire wannan cajin a cikin canjin doka biyo bayan Yarjejeniyar Anglo-Irish na 1921, wanda ya cire shi daga Kudancin Ireland (wanda a zahiri ya wanzu a takarda kawai) kuma ya maye gurbinsa da Freeasar Yancin Irishanci na Irish. Wani sabon ofishi ne kawai aka kirkireshi don cike gurbin, na Gwamnan Arewacin Ireland.
Hillsborough Castle, kodayake a wajen babban birni, Belfast, an ɗauke shi wuri mai dacewa. Bayan wasu gyare-gyare, gwamna na farko, James Albert Edward Hamilton, Duke na 3 na Abercorn, ya koma cikin 1925.