Description Trinity College, Dublin (TCD; Irish: Coliste na Tronide, Baile tha Cliath), corporately designated as the Provost, Fellows and Scholars of the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin, was founded in 1592 by Queen Elizabeth I as the 'mother of a university',[3] and is the only constituent college of the University of Dublin. Trinity and the University of Dublin form Ireland's oldest and most prestigious university.[4]Trinity is located in the centre of Dublin, Ireland, on College Green opposite the former Irish Houses of Parliament (now a branch of the Bank of Ireland). The campus occupies 190,000 m2 (47 acres), with many buildings, both old and new, ranged around large courts (known as 'squares') and two playing fields. The Library of Trinity College is a copyright library for Ireland and the United Kingdom, containing over 4.5 million books and significant quantities of maps, manuscripts and music.