Concerns are growing for the welfare of Nigel Bamford from Bury.
The 54-year-old has been missing from Fairfield since Monday 11 July also goes by the name Mark Bamford.
He was last seen at 6.30pm on Wednesday 13 July at metrolink platform B of Victoria Station.
He is white, 6ft, medium build and was thought to be wearing a blue jacket, faded blue jeans, tan shoes with a white sole and carrying a large black or red holdall.
He was last known to be living in Radcliffe.
Nigel requires medication which he has not got with him and officers are urging him to contact police to let them know he is safe and well.
Anyone with any information about Nigel’s whereabouts should call GMP on 101 quoting incident reference number 1632 of 11 July 2016.