Derry, Donegal and Strabane are "inextricably linked", a Donegal council chief has said following a meeting on the local economy with officials from both sides of the border.
Senior officials from both the Irish government and the devolved administration at Stormont, met alongside local council representatives at the Everglades Hotel in Derry to discuss university provision and environmental goals.
Known as the 'North West Strategic Partnership, the government structure was first set up in 2016.