The 2017 European Athletics U20 Championships were the 24th edition of the biennial European U20 athletics championships. They were held in Grosseto, Italy from 20 July to 23 July.[1]
* Host nation (Italy)
According to an unofficial count, 1,227 athletes from 47 countries participated in the event.
Andorra (1)
Armenia (1)
Austria (18)
Azerbaijan (1)
Belarus (26).svg/1280px-Flag_of_Belgium_(civil).svg.png){kind=small}
Belgium (33)
Bosnia and Herzegovina (3)
Bulgaria (14)
Croatia (22)
Cyprus (6)
Czech Republic (47)
Denmark (9)
Estonia (20)
Finland (46)
France (68)
Georgia (3)
Germany (86)
Gibraltar (2)
Great Britain (59)
Greece (35)
Hungary (42)
Iceland (2)
Ireland (42)
Israel (12)
Italy (104) (host)
Latvia (21)
Lithuania (16)
Luxembourg (4)
Macedonia (2)
Malta (1)
Moldova (6)
Monaco (1)
Montenegro (1)
Netherlands (29)
Norway (40)
Poland (65)
Portugal (33)
Romania (33)
San Marino (2)
Serbia (13)
Slovakia (15)
Slovenia (16)
Spain (54)
Sweden (39).svg/1280px-Flag_of_Switzerland_(Pantone).svg.png){kind=small}
Switzerland (38)
Turkey (62)
Ukraine (30)