Police are appealing for public assistance to help locate missing woman Yuying.
The 83-year-old, who has dementia, was last seen by family members at a property on Collins Street in Melbourne's CBD about 7pm on Saturday, 1 February.
She was seen leaving the building a short time later, about 8.30pm.
Police and family are concerned for Zuying's welfare due to her medical conditions and the length of time she's been missing in the hot weather.
Investigators have released images of Yuying in the hope someone can provide information as to her whereabouts.
Yuying is Chinese, of slim build with short dark hair.
She was last seen wearing a grey cardigan, grey pants and white lip-on shoes.
Anyone who sights Yuying or has information on her whereabouts is urged to call Melbourne East Police Station on (03) 9637 1100.
