He restored the ancient shrines and Stadia with costly marbles.
"Roman Society from Nero to Marcus Aurelius"
Samuel Dill
Of the vast and imposing palaces built or added to by successive Roman emperors, that included audience chambers, basilicas, Stadia for athletic games, galleries, state dining-halls, baths, and many suites of apartments for various purposes, there exist unfortunately but a few remains.
"Architecture"
Nancy R E Meugens Bell
The factory was only a few hundred steps farther, but in her fancy they seemed like so many Stadia.
"The Complete Historical Romances of Georg Ebers"
Georg Ebers