This comes after all the group stage games ended on Wednesday, completing the first round of the tournament.
Germany defeated England 2-1 in their final group match, while Czechia secured a 2-0 win against Slovenia.
Teams like France, Portugal, Spain, Italy, Denmark, and Germany had already secured their spots in the last eight before the final round of group matches.
The quarter-final matches are scheduled to take place on Saturday, June 21, and Sunday, June 22.
The full list of the Euro U-21 quarter-final fixtures includes: Portugal vs Netherlands and Spain vs England on Saturday; Italy vs Germany and Denmark vs France on Sunday.