 
<translate> Bayanin da ya dace don amsa tambayar da ke sama shine: An sake buɗe shi a cikin 324 AD daga tsohuwar Byzantium a matsayin sabon babban birnin Roman Empire ta Emperor Constantine the Great, wanda aka sa masa suna, kuma aka keɓe shi a ranar 11 ga Mayu 330 AD. Amsar ita ce: Sarki Constantine Mai Girma. <eng> The relevant information to answer the above question is: It was reinaugurated in 324 AD from ancient Byzantium as the new capital of the Roman Empire by Emperor Constantine the Great, after whom it was named, and dedicated on 11 May 330 AD.
The answer: Emperor Constantine the Great. 