An open standard format for encoding geographic data structures points, lines, and polygons widely used for representing place boundaries, trade areas, and custom study zones.
It’s built on plain JSON, so it’s readable by virtually any modern mapping library or data pipeline without a proprietary GIS tool a Polygon, for instance, is just a nested array of [longitude, latitude] coordinate pairs describing its outer edge, which is why GeoJSON has become the default interchange format for boundaries, trade areas, and custom study zones.
Further reading: Geo layer · Trade area analysis
