On January 19, a select team made up of players from Cristiano Ronaldo's new team Al Nassr and their Saudi opponents Al Hilal will play a friendly match in Riyadh, the French champions announced on Monday.
On January 17, PSG, which is owned by Qatar, will travel to Doha before continuing on to the Saudi capital for the game at the King Fahd Stadium, where Messi and Ronaldo will rekindle their rivalry.
After receiving a fortnight off following Argentina's World Cup victory in Qatar in December, Messi Messi and Ronaldo to meet in a friendly between PSG and Saudi Club rejoined PSG training last week.
Ronaldo, who will turn 38 in February, recently signed a contract with Al Nassr that extends until 2025 and is said to be worth more than 200 million euros ($214 million).
The trip is taking place despite the Ligue 1 leaders PSG and Saudi Club having a French Cup match against lower-league opponents scheduled for the weekend of January 21 and 22.