Situated in western Turkey, Allianoi is rare and wonderful in so many ways. The visible Roman remains represent the peak of the development of the spa complex. However Allianoi was functioning as a Spa for centuries before. The threat of destruction by the waters of the Yortanly Irrigation Dam means its full significance may never be fully understood.
The Hadrianic spa complex survives in places up to two stories high, with well preserved floor mosaics and colonnaded courtyards. Its baths, situated over still active thermal springs are an example of one of the few rural bath sites to survive from the Roman world.
In addition, archaeologists have discovered evidence of glass and pottery production, paved streets and a temenos to Demeter, suggesting the existence of a settlement of some considerable significance. With only 20% of the site uncovered, there is so much more this unique site could tell us about the development and social and religious significance of ancient thermal spas.
Discoveries are being made even in the last days of the site. It would be a tragedy if this site was lost under water. Europa Nostra certainly thinks so and they are organising a petition to try and hold back the tide and prevent Allianoi from being lost beneath the waters.