The Grodno Regional Council of Deputies decided to classify the urban settlement of Ostrovets in the Grodno region as a city of regional subordination.
Decision № 154 of the Grodno Regional Council of Deputies «On classifying the urban settlement of Ostrovets, Grodno region, as a city of regional subordination» ЗГАЛид Ф. 1035. Оп. 2. Д. 413. Л. 4. Copy. Typescript
