An urgent search has been launched for Maddison Felsch.An urgent search has been launched for Maddison Felsch. Credit: NSW Police

Authorities have launched an urgent search for a missing 12-year-old child, last seen at 8.30pm on Christmas Eve.

Maddison Felsch was last seen in Marayong, NSW, around 8.30pm on Wednesday.

After she could not be found or contacted, her family contacted NSW Police.

“Maddison is described as being of Caucasian appearance, about 160cm tall, slim build and long light brown hair,” NSW Police said.

“She was last seen wearing a blue singlet top, black shorts and carrying a black floral backpack.”

NSW Police have established that Maddison “may be in the company of a woman” of a woman who they believe to be in her 20s.

“Maddison is known to frequent the Riverstone, The Hills, Parramatta, Mt Druitt, Marayong, Blacktown, Rouse Hill and Coogee area.”

Anyone who may have information are urged to contact Crime Stoppers on 1800 333 000.