Finals debutants Northern Ireland were drawn up against world champions Germany, Poland and Ukraine in Group C.
Play-off winners the Republic of Ireland were drawn in arguably the toughest group with Belgium, Italy and Sweden in Group E.
Holders Spain will meet Czech Republic, Turkey and Croatia while host nation France have been given one of the kinder draws, with Albania, Romania and 2008 co-hosts Switzerland in Group A.
Cristiano Ronaldo and Portugal have been handed a simple-looking group against Iceland, Hungary and Austria, who excelled during qualifying.
Here, is some of the reaction on Twitter to how the home nations fared in the EURO 2016 draw.
Wales star Gareth Bale is counting down the days.
Ex-England captain Gary Lineker is confident in England's chances to progress in Group B but no so for the Irish.
Ex-England striker Michael Owen cuts to the chase.
Ex-England striker Stan Collymore is looking forward to England's clash against Wales.
Was MOTD 2 presenter Mark Chapman surprised by the England's draw?
talkSPORT's Colin Murray sees the positive side to Northern Ireland's tough draw and makes a fearless prediction too.
Sky Sports presenter David Garrido compares France's group to a piece of cake while England's draw looks more favourable.
FIFA Puskas Award runner-up and Ireland international Stephanie Roche is optimistic about Ireland's chances.
Former Republic of Ireland international Paul McGrath believes Martin O'Neill side can compete in Group E.
Welshman and Sky Sports presenter John-Paul Davies cannot believe Wales' luck.
Harry Potter actor Oliver Phelps () amusingly refers to the tale of Saint George and the Dragon as England draw Wales.
BBC Radio 5 live commentator Conor McNamara is confident the Irish can spring a shock.