Stary Gromadzyn is a village in the administrative district of Gmina Rajgród, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It is situated in the historical region of Podlachia.
- Location and Geography: The village lies approximately 10 kilometres (6 mi) south-east of Rajgród (the seat of Gmina Rajgród), 19 km (12 mi) north-east of Grajewo (the county seat), and 76 km (47 mi) north of the regional capital Białystok. Stary Gromadzyn is located in an area characterized by the natural landscapes of the Podlaskie Voivodeship, which is known for its forests, lakes, and rural environment.
- Etymology: The name "Stary Gromadzyn" is Polish. "Stary" translates to "old," while "Gromadzyn" likely derives from the word "gromada," which can mean a cluster, group, community, or a traditional small administrative unit or hamlet. Thus, the name could be interpreted as "Old Community" or "Old Hamlet."
- History: The history of Stary Gromadzyn, like many small settlements in this region, is closely tied to the broader historical events of Poland, including various partitions and periods of rebuilding. While specific detailed historical records for small villages can be scarce in general encyclopedic sources, their development often reflects regional agricultural patterns and socio-political changes over centuries.
- Administration: Stary Gromadzyn is governed as part of Gmina Rajgród, a rural administrative district. Gmina Rajgród, in turn, is part of Grajewo County, which operates under the authority of the Podlaskie Voivodeship, one of Poland's sixteen provinces.
- Demographics: As a rural village, Stary Gromadzyn typically maintains a small, stable population. Specific demographic data is usually gathered during national censuses.