It was built by the rich Roman Varius for the Ephesians and located on the upper Ephesus. This bath was built in the 1st century AD and was destroyed in the 7th Century AD.
The bath was next to many public buildings so Ephesians were visiting this bath after meetings people. It was also very close to the Magnesian Gate of Ephesus. People could have bath and rest here before they entered Ephesus, having a long travel. In the Roman bath they had certain heating system. This was a kind of a floor heating system invented by the Romans called Hypocaust.