1. Trinity College Dublin is a prestigious university located in Dublin, Ireland. It was founded in 1592 by Queen Elizabeth I and is the oldest university in Ireland. The campus is home to historic buildings such as the Campanile, Parliament Square, and the iconic Long Room in the Old Library, which houses over 200,000 books. The campus also includes several museums and galleries such as the Science Gallery, Douglas Hyde Gallery, and the Trinity College Zoological Museum. Famous alumni include writers such as Oscar Wilde and Samuel Beckett, as well as former President of Ireland, Mary McAleese.

2. The campus is open all year round, and the main entrance is located at College Green. The general phone number for Trinity College Dublin is +353 1 896 1000.

3. Admission to the campus is free, but a fee may be required for certain museums or exhibitions. The campus is easily accessible by public transportation, including bus, train, and tram. More information about transportation options can be found on the campus website.