Thames Valley Police is appealing for information relating to the whereabouts of a missing man from Wallingford.
Mark Jones, aged 35, was last seen in Fir Tree Avenue, Wallingford, on Sunday (16/3).
Mr Jones is white, of medium build, with dark brown hair, brown eyes, 5ft 10ins tall, and often has stubble.
He has long hair, which he sometimes wears in a ponytail or a bun.
It is believed that Mr Jones is wearing dark clothing, including a hooded top and dark boots, and possibly a hat.
He does not have access to any vehicles.
Mr Jones has links to Cornwall, Lancaster, and Edinburgh.
Investigating officer, Det Insp Louise Roddy said: “Mark’s family are extremely concerned for his welfare and desperately want him to come home.
“If Mark is reading this you’re not in any trouble, just please get in touch with your family or police so we know you are safe and well.
“If anyone has any information regarding Mark’s whereabouts please contact the Thames Valley Police Enquiry Centre on 101.
“If you don’t want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.”