The 16 teams will be split into four groups of four for the final tournament.
The teams are seeded according to the overall rankings from the European qualifying league stage.
Hosts Switzerland will be placed in position A1, with the remaining teams in pot one being drawn to fill the other groups.
All groups will then contain one team each from pots two to four.
Hosts (placed in position 1 of Group A): Switzerland
Pot one: Spain, Germany, France
Pot two: Italy, Iceland, Denmark, England
Pot three: Netherlands, plus three highest-ranked play-off winners (to be confirmed)
Pot four: Remaining four play-off winners (to be confirmed)