Gerda Uelfer-Woods, 75, from Forest Row, was reported missing on July 7 having not been heard from since 25 June.
She had stated that she was going to be travelling to Ireland and was expected to return around July 17, but has so far not done so. It is not unusual for her not to make contact while travelling, but her family and police would like to be reassured that she is safe and well.
Gerda is white, 5′, of small build, with blonde hair and brown eyes.
Anyone with information about her whereabouts is asked to contact Sussex Police online or call 101 quoting serial 628 of 07/07.