They are England, Spain, Denmark and Italy.
Before today, Spain and Italy booked their places in the semi-final, where they face each other.
Denmark became the third team to progress, following their 2-1 win over Czech Republic.
Thomas Delaney and Kasper Dolberg gave the Danes a two-goal lead, before leading scorer Patrik Schick pulled one back.
In the last quarter-final, England thrashed Ukraine 4-0 with Harry Kane netting twice in the rout.
The Three Lions will now face Denmark for a place in the Wembley final.
