Officers are trying to trace a Chesterfield man about allegations of an assault.
Officers would like to speak with Peter Wilson, from Chesterfield.
A police spokesman said: "If you recognise the 35-year-old or know where he may be, please contact us via one of the following methods."
Please quote reference number 19*548054 in any correspondence.
Facebook – send a private message to /DerbyshireConstabulary
Twitter – direct message our contact centre on @DerPolContact
Website – complete the online contact form derbyshire.police.uk/Contact-Us.
Phone – call 101.
You can also call Crimestoppers anonymously on 0800 555 111.
Please note in the event of an emergency you should always call 999.