Sobia Ramzan was last seen around 4pm on Saturday 10 July.
Police said she takes medication and they are worried about her wellbeing.
Sobia is described as 5’7 tall, with brown hair and was last seen wearing a green scarf, a long-sleeve cream jumper, black trousers and grey trainers.
Anyone with information is asked to contact 101 quoting reference 461 of 10 July.