SOLVED. Historical YA fiction: Boy leaves 5th century Constantinople and meets Attila the Hun

[Henry]

Read this in the 1970s. Greek boy travels through 5th century CE Europe and ends up with Attila the Hun at the battle of Chalons. References to historical characters including Aetius. Help! It's driving me crazy!

[Henry]

I think it is probably Slave of the Huns by Geza Gardonyi.

[Rainbowheart]

Did you want us to mark this solved as Slave of the Huns?

[Henry]

Yes, I think that must be right

[Kris]

Here is Wikipedia's plot summary (with Spoilers) of Slave of the Huns by Géza Gárdonyi:

https://en.wikipedia.org/wiki/Slave_o... (There are different cover images.)