Marcus Rohdén, 28, was selected in the Swedish World Cup squad last year and has played in Crotone in recent years.
Now Frosinone, which also houses in Series B, announces that it is recruiting the Swedish midfielder.
The club writes on its website that Rohdén signed a contract that extends to the summer of 2022.
Frosinone kicks off the season away against Pordenone on Monday, August 26.