Foreign Affairs Minister Charlie Flanagan has held talks with the US Secretary of State John Kerry, at the start of his visit to Ireland.
They discussed a range of issues including the northern peace process, the challenges of Brexit and the Syrian conflict.
Minister Flanagan also raised the issue of undocumented Irish people living in the US.
Secretary Kerry is today being awarded the Tipperary International Peace Award, for his work to resolve global conflicts.
Previous winners include Nelson Mandela, Bill Clinton and Ban Ki Moon.
Speaking in Tipperary, John Kerry said the Northern Ireland Peace Process serves as a model for ending global conflict.