Officers are looking for an individual who breached the terms of his licence after being freed from prison.
The person in question is 33-year-old Shaun Davies, who lives in Aberbargoed. He had been completing a sentence for robbery.
Davies has been instructed to return to custody to finish his term.
A spokesperson for Gwent Police said the force is asking for help from the community to locate 33-year-old Shaun Davies from Aberbargoed, who has violated the terms of his licence since being freed from custody.
Anyone with relevant information should call 101 using operation reference 2600107305 or contact the Crimestoppers charity at 0800 555 111.