The 21-year-old joins the Belgian kings on a three-year contract after leaving FC Dordrecht that got relegated from the Dutch elite division.
“Very happy! #KAAGent #AllglorytoGod,” Troost-Ekong wrote on his Twitter handle.
He will be hoping for a regular action in the Buffalos’ defence that boast of Rafinha, Uroš Vitas and Ante Puljić.
Moses Simon is another Nigerian playing for Hein Vanhaezebrouck’s side, and they will be hoping to retain their domestic diadem and also do well in next season’s Uefa Champions League.