The Boys in Green will avoid the likes of Ukraine, Croatia and Sweden when the qualifying draw takes place in February
Uefa has confirmed that Martin O'Neill's team will be in Pot Two for the draw, which takes place in Nice on February 23.
The seeding means that the Boys in Green cannot be drawn against the likes of Belgium, Ukraine, Croatia, or their 2014 World Cup qualification rivals Sweden
Holders Spain are top seeds, as are Germany, Italy and England. Bosnia and Herzegovina are also in Pot One, with Netherlands, Portugal, Russia and Greece completing the group.
Northern Ireland have been placed in Pot Five, alongside Iceland, Albania and Lithuania, while Scotland and Wales are in Pot Four.
Meanwhile, the Irish Football Association has confirmed that Northern Ireland will face Cyprus in a friendly.
The game will take place in Nicosia on March 5.
Full Euro 2016 Seeding
Pot One: Spain, Germany, Netherlands, Italy, England, Portugal, Greece, Russia, Bosnia and Herzegovina
Pot Two: Ukraine, Croatia, Sweden, Denmark, Switzerland, Belgium, Czech Republic, Hungary, Republic of Ireland
Pot Three: Serbia, Turkey, Slovenia, Israel, Norway, Slovakia, Romania, Austria, Poland
Pot Four: Montenegro, Armenia, Scotland, Finland, Latvia, Wales, Bulgaria, Estonia, Belarus
Pot Five: Iceland, Northern Ireland, Albania, Lithuania, Moldova, Former Yugoslav Republic of Macedonia, Azerbaijan, Georgia, Cyprus
Pot Six: Luxembourg, Kazakhstan, Liechtenstein, Faroe Islands, Malta, Andorra, San Marino, Gibraltar