In The Witcher 3, the Zoltan Chivay Gwent card can be found under the Hanged Man's Tree.

The answer is true because in The Witcher 3, the Zoltan Chivay Gwent card can indeed be found under the Hanged Man's Tree. This location is part of a side quest called "Gwent: Velen Players" where the player needs to challenge and defeat various players to collect unique Gwent cards. Zoltan Chivay is one of the players that can be found near the Hanged Man's Tree, and after defeating him in a Gwent match, the player is rewarded with his Gwent card.