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Where did Diocletian spend his retirement?
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Diocletian
Diocletian.
After abdicating the imperial throne in 305 CE, the Roman emperor Diocletian retired to a magnificent palace he had constructed near his birthplace of Salonae, on the coast of the Adriatic Sea.12
This site, known as the Palace of Diocletian, is located in what is now the modern city of Split, Croatia. Diocletian lived in this expansive, fortress-like residence until his death in 316 CE.12