Alternate Capitals of the Eastern Roman Empire?

[Thomas1195]

Venice, if for some reasons the Empire shifts west over time.

 

[FranzAncheNo]

I am a little surprised that no one has brought up what could be a fairly viable and significant choice:
Jerusalem.
Think in terms of the cultural dynamics of the era, not just geopolitically or economically.

This would really be an Holy Roman Empire.

 

[Septimius Barca]

Carthage

 

[sarahz]

As @wcv215 said there’s plenty of good locations but none nearly as good as Constantinople. Athens would be an interesting choice though.

If you were going to Greece and absolutely not sticking with the city i would have thought Thesalonika more viable,

 

[J.D.Ward]

IIRC, during the Nika riots, Justinian I was advised to flee from Constantinople to Carthage, but was dissuaded from this by Theodora. Would Carthage be a viable "Third Rome"?