South Yorkshire detectives will today gather at the site in Kos where missing Ben Needham was last seen.
The Operation Ben team travelled to Kos on Sunday as part of the ongoing investigation into the disappearance of Ben Needham on the Greek island in July 1991.
Ben was just 21 months old when he vanished while he was playing outside a remote farmhouse is grandfather was renovating.
The aim of the visit it to raise awareness of the disappearance in Kos in the hope that it will encourage people to come forward with information.
Detectives will follow up lines of enquiry on the island, distribute leaflets and posters, and carry out house-to-house visits in Iraklis, where Ben was last seen.
There is a £10,000 Crimestoppers reward available to anyone who provides information which leads to the discovery of Ben Needham.
Detective Inspector Jon Cousins, the senior investigating officer, said: “The lives of Ben Needham’s family were ripped apart when he disappeared more than 20 years ago and their determination to find him has not diminished. They are more desperate than ever to find answers about what happened to him.
“It is likely that someone out there knows what happened to him and we will be appealing to people in Kos who have information to come forward and tell us what they know. The force is working closely with the Greek authorities to ensure a number of lines of existing enquiry are explored.
“We are also hoping that the offer of a Crimestoppers reward of up to £10,000 could be an incentive for someone to finally come forward after all these years - it is not too late to tell us what happened and finally allow us to unearth the truth.”
To contact the Operation Ben team call 0114 296 3022 or email firstname.lastname@example.org