ICC Champions Trophy is the of the major cricket event going to be held in Pakistan this time and teams that are participating in this event has announced. The Schedule of ICC Champions Trophy 2025 is still pending.
The top 8 teams that are participating in this event are:

Pakistan (Host Country)

India

New Zealand

Bangladesh

England

Australia

South Africa

Afghanistan

To get information related to squad of teams you can visit: https://championstrophy2025schedule.com/category/squads/