Grey dwarf rabbit with blue harness

I found a tiny grey dwarf rabbit this morning around 11am, hopping along Ermou Street near Monastiraki Square in Athens. It wears a light blue harness with a tiny silver bell that jingles when it moves, and it has a white blaze on its nose plus a small dark spot on the left ear. It looks clean and well cared for, and it seems a bit shy but curious. I’m sure someone is missing this little guy—pet owners know how nerve-wracking it is to lose a furry friend. If this is your rabbit, share its name and one distinguishing detail so I can help get it back home.