Real Sociedad president Jokin Aperribay has confirmed Yuri Berchiche is joining PSG.
The left-back is moving to Paris to replace former Barcelona fullback Maxwell, who has been allowed to come off contract by PSG this month.
Aperribay stated on Thursday: "Today has arrived the written offer of PSG for Yuri, he has permission to travel for his medical visit.
"Of the bids received, it was the best we have on the table. According to his agents, the player is willing to leave."
Agent Andrea Larra revealed: "I think the case could be settled quickly, between the end of the week and the beginning of the next one."