Police are appealing for public assistance to locate a man missing from Sydney's north west.
Di Gao, aged 27, was last seen at a home on Imlay Avenue, Carlingford, about 8pm on Sunday 14 December 2025.
Officers attached to The Hills Police Area Command were notified and commenced inquiries into his whereabouts.
Family and police hold concerns for Di's welfare as his disappearance is out of character.
Di is described as being of Asian appearance, about 175cm tall, of thin build, with black hair and black eyes.
He was last seen wearing a black t-shirt, beige shorts, white sneakers and reading glasses.
Inquiries established he may have been to Kimberley Street, Vaucluse, on the same day.
Di is believed to frequent the Carlingford, Castle Hill and Eastwood areas.
Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au Information is managed on a confidential basis. The public is reminded not to report information via NSW Police social media pages.
