 In the Jednorożec gmina were the chapel, the office of the municipality, the municipal court, post border guards, forestry office, four tar factories, three windmills, and two inns.Gmina Jednorożec contains the villages and settlements of Budy Rządowe, Drążdżewo Nowe, Dynak, Jednorożec, Kobylaki-Czarzaste, Kobylaki-Konopki, Kobylaki-Korysze, Kobylaki-Wólka, Lipa, Małowidz, Nakieł, Obórki, Olszewka, Parciaki, Połoń, Stegna, Ulatowo-Dąbrówka, Ulatowo-Pogorzel, Ulatowo-Słabogóra, Żelazna Prywatna and Żelazna Rządowa.The gmina was named Jednorożec (meaning “unicorn”) based on the local legend of a beekeeper who saw a unicorn in the area which was, at the time, a royal hunting preserve.