I think we will never have such definition. Its similar to companies, which one is true European? That which pay taxes and has hq? Or has most of stock in european hands. Lets take Adidas, hq in europe but still imports clothes from third world countries.
I just asked for alternatives. Imo there is no reason for deepl to move to AWS, maybe Aws had better sales people?
I will just stick to argos / libre translate self hosted.
Ovh has infrastructure in many regions. I still think that aws just have good salesperson ;) I took part in some workshops with guys from one US cloud, so I know what its like…
https://www.ovhcloud.com/en/about-us/global-infrastructure/regions/