St. Mary's Abbey, Dublin St. Mary's Abbey, Dublin St. Mary's Abbey was a former Cistercian abbey located near Abbey Street in Dublin, Ireland. Its territory stretched from the district known as Oxmanstown down along the River Liffey until it met the sea. It also owned large estates in other parts of Ireland. It was one of several liberties that existed in Dublin since the arrival of the Anglo-Normans in the 12th century, which gave it jurisdiction over its lands. The abbey was founded by the Irish king Máel Sechnaill mac Máele Ruanaid (died 862) in 846, according to the Annals of the Four Masters.
Transport in Dublin Dún Laoghaire harbour from both Malahide and Howth in the north which en route to Dún Laoghaire goes straight the city centre. It is also served from Greystones in the south. Both domestic and international air traffic in Dublin is served by Dublin Airport which is located 10 km north of Dublin city centre in Collinstown and is accessible by car or bus. It is the busiest airport by far in Ireland with 27.9 million passengers in 2016, making it the 15th busiest airport in Europe with flights to other airports in Ireland, Europe, North America, Africa and the Middle