Police officers are concerned the safety of Susan Doroszenko after she was reported missing from the Southwell area.
She was last seen on August 7.
Susan, aged 56, is described as white, of thin build and is around 5ft 4ins tall, with greyish/blonde hair. Her clothing is unknown.
She may be staying in a hotel or B&B under a different name. She has links to Nottingham and Newark areas.
If you have seen Susan or have any information about her whereabouts, contact Nottinghamshire Police on 101, quoting incident number 912 of August 16.