an Entity references as follows:
Borne Sulinowo [ˈbɔrnɛ sulʲiˈnɔvɔ] (German: Groß Born; Russian: Борне-Сулиново) is a town in north-western Poland, within the West Pomeranian Voivodeship. It is a capital of a separate gmina (municipality). As of June 2021, the town has a population of 5,008; the surrounding commune is inhabited by additional 4,772 people. The town is notable for the fact that between 1945 and 1992 it was a secret Soviet military base that did not appear on any map, and was only transferred to Polish control in October 1992.