The city also expanded during this time with much development outside the city boundary creating new city suburbs. The most notable development is the University of Limerick in the suburb of Castletroy towards the eastern end of the city. UL is the location of the University Concert Hall, a 1000-seat venue on the university campus which is suitable for holding a wide variety of events. The UL arena, which opened in 2002 is Ireland's largest indoor complex. It consists of the National 50m Swimming Pool which is the only water facility in Ireland which has the approval of FINA, the international swimming body, and is the first in the country to be built to Olympic standards. The Arena's Indoor Sports Hall comprises 3,600 square metres laid out with four wood-sprung courts, catering for a variety of sports, a sprint track, an international 400m athletics track, and a 200m three-lane suspended jogging track. The facility also has a state-of-the-art cardiovascular and strength training centre, a weight-training room, team rooms, an aerobics studio and classroom areas. The Arena is often used by the Munster rugby team. On the southside of the city the Crescent Shopping Centre the largest shopping centre in Ireland outside Dublin was built in the suburb of Dooradoyle. It has a retail space of 100,000m squared with over 90 shops.