According to reports, Partey has agreed to a contract with Villarreal for the upcoming season.
Partey's return to La Liga marks a significant move, having previously played for Atlético Madrid.
Villarreal's La Liga season is set to kick off at home against Real Oviedo on August 15.
In addition to his experience at Atlético Madrid, Partey has also played for Spanish clubs Mallorca and Alméria.