Is Antep Sumağı a registered geographical indication?

Yes. Antep Sumağı is registered with the Turkish Patent and Trademark Office under No. 797 as a geographical indication.

Which region does Antep Sumağı belong to?

According to the registration, Antep Sumağı belongs to Gaziantep.

Illustrative image — not a photograph of the registered product.

Other

Is Antep Sumağı a registered geographical indication?: Yes. Antep Sumağı is registered with the Turkish Patent and Trademark Office under No. 797 as a geographical indication.
Which region does Antep Sumağı belong to?: According to the registration, Antep Sumağı belongs to Gaziantep.
What does "geographical indication" mean?: Mark of origin: the dish's reputation and method are tied to this region, though it may be produced elsewhere.

Antep Sumağı is a regional speciality from Gaziantep. It holds a registered geographical indication (mark of origin).

GEOGRAPHICAL INDICATION · TURKISH PATENT REGISTRY

No. 797

geographical indication

Mark of origin: the dish's reputation and method are tied to this region, though it may be produced elsewhere.