The following national governing bodies of football have already announced firm intends to bid:
Germany – On 24 October 2013, its president Wolfgang Niersbach announced that the executive committee of the German Football Association had voted to place a bid for hosting the tournament. Previously, UEFA Euro 1988 had been held in (West) Germany, as well as the 1974 and 2006 World Cups. German Media has also reported that it was willing to let Wembley Stadium host the Euro 2020 final, in return for support from the Football Association for Germany's bid.
Turkey – In April 2014, Turkish Football Federation announced they will not bid for semi-finals and final for UEFA Euro 2020 but they plan preparations for hosting UEFA Euro 2024.
Italy – After failing to win bidding rights to host the event in 2012 and then in 2016, reports in Italy suggest the Italian Football Federation – with support from the Italian Government and Italian Olympic Committee – will throw in their hat to host UEFA Euro 2024.
Romania and Hungary – During a press conference in September 2010, Mircea Sandu (then president of the Romanian Football Federation) said that a joint bid together with Hungary was considered for the tournaments in either 2020 (which did not materialize) or 2024. However both countries were awarded fixtures in the Euro 2020 tournament.