Police in Calderdale are appealing form information to help trace a 25-year-old Hungarian man.
Istvan Rudovics, 25, was last seen on Saturday June 4 and is believed to be in the Halifax area.
Mr Rudovics is a Hungarian national and is described as a white male, around 5ft 5ins tall and of slim build.
He has black hair which is usually shaved, clean shaven with brown eyes.
Istvan speaks with an Eastern European accent and was last seen wearing silver coloured trousers, silver coloured trainers and a dark blue shirt.
Anyone who has seen or heard from Istvan since June 4 is asked to contact Calderdale Police via 101. Police are also appealing directly to Istvan to come forward to let them know that he is OK.