 According to the Treaty of Riga (1921) the town was included in the inter-war Second Polish Republic, in 1923 becoming part of Wołożyn (Valozhyn) County in the Nowogródek Voivodeship, and was now from the Belarusian SSR border.In 1934, the electrification of Ivyanets began when individuals from the town founded a power plant on the Volma River, on the land of a former Sologub family property.In 1936, Ivyanets built a new school, and by 1938 the town had 574 buildings (including 10 stone) and a military airport.