Police are seeking public assistance to locate 15-year-old Teressa Joy, who was last seen in Wyong around 12pm on Monday, 6 January 2025.
After she could not be contacted or found, officers from the Inner West Police Area Command launched inquiries into her disappearance.
Police and her family are concerned for her welfare due to her age.
Teressa is described as being of Caucasian appearance, approximately 150cm tall, with a thin build and short brown hair. She was last seen wearing a black long-sleeve shirt, black shorts, white shoes, and carrying a black handbag along with pink “Hello Kitty” pants.
Anyone with information on her whereabouts is urged to contact police or Crime Stoppers at 1800 333 000.