I'm very new to GIS and I have spent the last few days trying to find some kind of database with the aforementioned polygons with no luck. The purpose is simply to label a location at district level given its longitude and latitude. I tried reverse geocoding but very quickly exceeded my rate-limit because of the size of the data. I've also tried GADM but the data is not labeled and there seemed to be more polygons than districts. MongoDB works nicely with GeoJSON hence my preference for data in this format. What options do I have?
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