The 2004 UEFA European Football Championship, commonly referred to as Euro 2004, was the 12th edition of the UEFA European Championship, a quadrennial football competition contested by the men's national teams of UEFA member associations. The final tournament was hosted for the first time in Portugal, from 12 June to 4 July 2004. A total of 31 matches were played in ten venues across eight cities – Aveiro, Braga, Coimbra, Guimarães, Faro/Loulé, Leiria, Lisbon, and Porto.
The 2008 UEFA European Football Championship, commonly referred to as UEFA Euro 2008 or simply Euro 2008, was the 13th UEFA European Championship, a quadrennial football tournament contested by the member nations of UEFA. It took place in Austria and Switzerland from 7 to 29 June 2008.
The 2012 UEFA European Football Championship, commonly referred to as UEFA Euro 2012 or simply Euro 2012, was the 14th European Championship for men's national football teams organised by UEFA. The final tournament, held between 8 June and 1 July 2012, was co-hosted by Poland and Ukraine, and was won by Spain, who beat Italy in the final at the Olympic Stadium, Kyiv, Ukraine.
The 2016 UEFA European Football Championship, commonly referred to as UEFA Euro 2016 or simply Euro 2016, was the 15th UEFA European Championship, the quadrennial international men's football championship of Europe organised by UEFA. It was held in France from 10 June to 10 July 2016. Spain were the two-time defending champions, having won the 2008 and 2012 tournaments, but were eliminated in the round of 16 by Italy. Portugal won the tournament for the first time, following a 1–0 victory after extra time over the host team, France, in the final played at the Stade de France.
Group B of UEFA Euro 2008 was played from 8 to 16 June 2008. All six of the group's matches were played at venues in Austria, in Vienna and Klagenfurt. The group was made up of four central European nations; co-hosts Austria, as well as Croatia, Germany and Poland. Austria and Poland were appearing in a European Championship finals for the first time.
Group C of UEFA Euro 2008 was played from 9 to 17 June 2008. All six group matches were played at venues in Switzerland, in Zürich and Berne. The group was composed of 2006 FIFA World Cup finalists Italy and France, as well as the Netherlands and Romania. At the time of the draw, these countries' respective Elo rankings among European teams were 1st, 2nd, 4th and 8th, and as such the group had been dubbed the competition's "group of death".
The knockout phase of UEFA Euro 2008 began with the quarter-finals on 19 June 2008, and was completed on 29 June 2008 with the final at Ernst-Happel-Stadion in Vienna.
The knockout phase of UEFA Euro 2012 began with the quarter-finals on 21 June 2012, and was completed on 1 July 2012 with the final at the Olympic Stadium in Kyiv, won by Spain. After the completion of the group stage on 19 June 2012, eight teams qualified for the quarter-finals, which are to be played from 21 to 24 June 2012. Host nations Poland and Ukraine failed to qualify for the quarter-finals, making it only the third time in European Championship history that the host nation(s) failed to make it out of the group stage; at Euro 2000, co-host Belgium were eliminated at the group stage, and at Euro 2008, co-hosts Austria and Switzerland also failed to qualify for the quarter-finals.
The UEFA European Championship is one of the major competitive international football tournaments, first played in 1960, whose finals stage has been held every four years. The Croatia national football team has contested this tournament since 1996, having been part of Yugoslavia up until the qualifying stages for the 1992 edition. Croatia has qualified for every Euro competition except for the 2000 edition, played in Belgium and the Netherlands. The team's best performances have been reaching the quarter-finals twice — in 1996 and 2008, losing to Germany and Turkey, respectively.
The UEFA European Championship is the main football competition of the men's national teams governed by UEFA. Held every four years since 1960, in the even-numbered year between World Cup tournaments, it was originally called the UEFA European Nations' Cup, changing to the current name in 1968. Starting with the 1996 tournament, specific championships are often referred to in the form "UEFA Euro (year)”. Prior to entering the tournament, all teams other than the host nations compete in a qualifying process.
Italy have participated in ten UEFA European Championships, and reached the final on four occasions. They became European champions at home in 1968, the first European Championship they qualified for, and finished as runners-up in 2000 and 2012, before winning their second continental championship at Euro 2020.
Poland have participated in four UEFA European Championships so far, all consecutively: Euro 2008, Euro 2012, Euro 2016 and Euro 2020.
Portugal have participated in eight UEFA European Championship editions. Their first tournament was in 1984, and the side have advanced past the group stage in every edition they've participated in so far. Portugal have reached the semi-finals on five occasions, and reached the final as hosts in 2004, however losing to tournament underdogs Greece. They captured their first major tournament win after defeating hosts France 1–0 in the final of Euro 2016.
Turkey have participated at five UEFA European Championships so far; the first finals they qualified for was Euro 1996. Their best European performance to date was reaching the semi-finals in 2008, after winning their quarter-final match against Croatia on penalties.
As the Czech Republic is considered to be the successor team of Czechoslovakia by FIFA and UEFA, they have participated in ten UEFA European Championships; three of which were as Czechoslovakia and seven of which were as the Czech Republic. As Czechoslovakia, they became European champions in 1976. As Czech Republic, they qualified for every European Championship that they have played qualifiers for, and were runners-up at Euro 1996.
As of 2021, Switzerland have appeared at five UEFA European Championships, between 1996 and 2020. They have advanced past the first round twice, reaching the last 16 in 2016 and the quarter-finals in 2020 for the first time, before being eliminated by Spain on penalties following a 1–1 draw in extra time.
Group D of UEFA Euro 2016 contained defending European champion Spain, Czech Republic, Turkey and Croatia. This Euro 2016 group was the only with two former European champions – Spain and Czech Republic. Matches were played from 12 to 21 June 2016.
The knockout phase of UEFA Euro 2016 began on 25 June 2016 and ended on 10 July 2016 with the final in Saint-Denis, France, near Paris.
Group A of UEFA Euro 2020 took place from 11 to 20 June 2021 in Baku's Olympic Stadium and Rome's Stadio Olimpico. The group contained Turkey, host nation and eventual champions Italy, Wales and Switzerland.
The knockout phase of UEFA Euro 2020 began on 26 June 2021 with the round of 16 and ended on 11 July 2021 with the final at Wembley Stadium in London, England.
Switzerland 
Czech Republic [nb 3] 
Portugal 
Turkey 
