Meath woman Lorna Carty is among the 38 dead and the Department of Foreign Affairs says its can't rule out the possibility that more Irish people were injured.
The Irish Ambassador to Spain David Cooney has arrived in Tunisia, along with consular officials, to liaise with authorities on the ground.
The Department of Foreign Affairs is also providing consular assistance to Lorna Carty's family.
Meanwhile, the CEO of the Irish Travel Agents Association Pat Dawson is urging people in Tunisia to make contact with their local tour operator representative:
