There are 3 branches of government in Ireland. They are the
legislature, executive and judiciary.
Currently there are 15 departments in the Irish government, as
follows:
Department of Agriculture, Fisheries and Food
Department of Arts, Sport and Tourism
Department of Communications, Energy and Natural Resources
Department of Community, Rural and Gaeltacht Affairs
Department of Defence
Department of Education and Science
Department of Enterprise, Trade and Employment
Department of Environment, Heritage and Local Government
Department of Finance
Department of Foreign Affairs
Department of Health and Children
Department of Justice, Equality and Law Reform
Department of Social and Family Affairs
Department of Transport
Department of the Taoiseach
Taoiseach refers to the title of a head of an Irish government.
You will find more information on the Irish government website, to
which there is a link below.