Taoiseach Micheál Martin will today meet the Governor of New York state Kathy Hochul on the first day of a five-day visit to the United States.
Governor Hochul, who was sworn into office following the resignation of Andrew Cuomo, has strong connections to Ireland, with her grandparents having emigrated to the US from Co Kerry.
The Taoiseach is in New York for a series of engagements during the high-level week of the United Nations General Assembly.
On Thursday, as part of Ireland's presidency of the UN Security Council, Mr Martin will chair a meeting of the council on the issue of 'Climate and Security'.
He is expected to stress the importance of fully integrating climate-related security risks in the council's work in the areas of peacekeeping, conflict mediation and conflict prevention.
Mr Martin will deliver Ireland's National Statement to the UN General Assembly on Friday.
He will have a number of bilateral meetings with other EU and world leaders on the margins of the General Assembly and will address the Council on Foreign Relations on Ireland's UN priorities, the transatlantic relationship and Brexit.
The Taoiseach will participate in a dedication ceremony for the new Irish Arts Center, meet representatives of Irish and Irish-American community organisations, and a undertake a series of economic engagements, supporting the work of Enterprise Ireland and IDA Ireland in the US.