The translation is: Vratsa, region, town of Oryahovo (Ostrov). "Враца" refers to the Vratsa Province in Bulgaria, and "с.Остров" translates to "town of Oryahovo," where "остров" means "island" but in this context, it's referring to the town known as Oryahovo.
Pleven, Druzhba 3
(Note: "Druzhba" translates to "Friendship," but without additional context, it's unclear what specifically "Druzhba 3" refers to. It might be a street name, building, or another designation in Pleven, Bulgaria.)