Derbyshire Constabulary has released this image of Madison Broxton from Chapel-en-le-Frith, who has been missing for three days.
Officers said: "We’re concerned for the safety of a missing 15-year-girl and are asking her to make contact and tell us she is OK.
"Madison left her home in Chapel-en-le-Frith on Friday, February 10 and has not been seen since.
"She has straight, black, shoulder-length hair, blue eyes and is 5ft 3ins tall. She was last seen wearing a black Jack Willis hooded top, leggings and black trainers.
"Madison has connections with Lancashire and may have travelled there."
Anyone that may have seen Madison is asked to contact Derbyshire police on 101 or 0345 1233333 if calling from outside the county.