Is Polimark a Serbian brand?
Yes. Polimark is a Serbian brand.
company: Polimark d.o.o., Autoput Beograd-Novi Sad 100b, 11080 Beograd-Zemun
why it is listed
Polimark is seated at Autoput Beograd-Novi Sad 100b, Beograd-Zemun; it began ketchup production in Serbia in 1992 and is the category leader there.
Source: poslovi.infostud.com
Local alternatives
Since this product is registered with GS1 Serbia, here are some Kosovo/Albania alternatives in the same category:
EuroFood
EuroFood, Prizren — Kosovo
EuroFood (Prizren, Kosovo) lists Ketchup as its own first product category on its official site and shows its own Tomato Ketchup and Pizza Ketchup bottles, printed 'EuroFood - Prizren, Kosova', in 500g and 1000g sizes.
same categorySource: euro-food.org
Reported pairing: euro-food.org
What this means — and what it doesn't
A GS1 prefix only shows which organisation the barcode owner is registered with — not necessarily where the product was manufactured. The real place of manufacture is on the physical product's "Made in" label.