The Taoiseach, four cabinet ministers and five ministers of state are to represent the Government at St Patrick's Day events across the US.
Tánaiste Mary Harney is to travel to Bahrain and South Africa.
Three ministers, including Michael McDowell and John O'Donoghue, will represent the Government at events in Britain, with a further seven ministers and ministers of state travelling to functions in Europe.
Environment Minister Dick Roche is to travel to Japan, Malaysia and Thailand, while Finance Minister Brian Cowen is to represent the Government in Australia with his colleague Eamon Ó Cuív attending functions in New Zealand.
Government Chief Whip Tom Kitt will be in Argentina, while Education Minister Mary Hanafin travels to the United Arab Emirates.
Junior Foreign Affairs minister Conor Lenihan is to represent the Government in Beijing.
