The Trinity College is situated on the outskirts of Carmarthen and was established in the year 1848. There are 4 halls which provide accommodation at the college, namely Archbishop Noakes hall, Myrddin hall, Non and Tower hall. The students union has a huge building in the campus which offers a range of sports facilities like gym and swimming pool. There is a restaurant, bar and nightclub as well. The Halliwell Theatre in the campus is used for conferences.