This map of Gujarat uses a Mercator projection to display the state’s landmasses and internal district boundaries. The React application loads TopoJSON data via a custom `useData` hook and converts it to GeoJSON using `feature` and `mesh` from the topojson library. The `Marks` component renders SVG paths with `d3.geoPath` and `geoMercator`, applying a green fill, black strokes, and a yellow hover highlight. The map is fitted to a 940x380 pixel area and styled with a pink background.