Two of the largest Irish diaspora sites, and, have announced that they are to merge.

The new entity, which will be known as, will have offices in New York and Dublin.

The merger will take effect from 15 September.

"We are delighted to join with John McColgan and the team at World Irish," founder Niall O'Dowd said.

Mr McColgan will be a director of and advisor to the new merged entity.