The Crown Prosecution Service confirmed on Friday the Welshman had been charged with assault and coercive control against Greville.
And as reported by The Sun, coercive or controlling behaviour carries a maximum sentence of five years behind bars.
Giggs, who was serving as Wales manager, has been stripped of his position and will not be taking charge in this summer's European Championships, with Robert Page taking temporary charge.
The 47-year-old, meanwhile, has pleaded his innocence, and said in a statement: “I have full respect for the due process of law and understand the seriousness of the allegations.
“I will plead not guilty in court and look forward to clearing my name. I would like to wish Robert Page, the coaching staff, players and supporters every success at the Euros this summer.”
The Crown Prosecution Service said on Friday: “We have authorised Greater Manchester Police to charge Ryan Giggs with engaging in behaviour which was controlling or coercive and assault occasioning actual bodily harm.”
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Giggs will appear at Manchester and Salford Magistrates' Court on Wednesday 28th April.
This article was most recently revised and updated 2 years ago