President Mary McAleese is beginning a week-long visit to the Middle East.
In Saudi Arabia, President McAleese will deliver an address at the Jeddah international forum, one of the Middle East's most important annual gatherings of world leaders.
The President will also pay a courtesy call on King Abdullah. On Monday, Mrs McAleese will begin a three day State visit to Jordan.
A trade mission of more than 40 companies will accompany Mrs McAleese on her visit.