Police have carried out extensive searches on the River Dee and surrounding areas but the two sisters, aged 32, remain missing.
Originally from Hungary, their brother had previously said it was highly unusual for them to be out at that time of night.
The family has now released a further statement through Police Scotland and is desperate for any help they can get in finding out what happened to the sisters.
They said: “This has been a very worrying and upsetting time for our family. We are really worried about Eliza and Henrietta and all we want is for them to be found.
Eliza and Henrietta Huszti (Image: Police Scotland)
“If you think you might have any information which could help the police with finding Eliza and Henrietta then please pass this on as quickly as you can.
“We appreciate all the support our family has been given over the past few days and we would like our privacy to be respected at this time.”
Searches have been continuing for them today with the police helicopter, dog brand and marine unit assisting in searches alongside other emergency services.
They have been searching on the riverbanks between Wellington Bridge and the South Harbour and door-to-door enquiries are also being carried out in the area they were last season.
Chief Inspector Darren Bruce said: “Eliza and Henrietta’s family remain extremely worried about them and we are in regular contact with them as our searches continue.
“We know that people across Aberdeen are also seriously concerned for the two missing sisters and I would again urge anyone with information which could help to get in touch with us.
“Extensive efforts remain ongoing in the area, with specialist officers continuing to search on the banks of the river, while door to door enquiries are also continuing at homes and businesses in the surrounding area.
“The River Dee remains the focus of our searches as there is no evidence of the sisters leaving the immediate area.
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“I would again ask, if you were in the area in the early hours of last Tuesday morning, please think back, did you notice anyone matching their description?
“Even if it doesn’t seem significant, please pass any information on. Any piece of information could prove crucial.
“We have been working to gather all the available CCTV footage from the area but if anyone has private CCTV or dash-cam footage from around that time please get in touch.
“Anyone with any information is asked to contact 101 quoting incident number 0735 of Tuesday, 7 January, 2025.”