Czechia population density for 400m H3 hexagons. Built from [Kontur Population: Global Population Density for 400m H3 Hexagons](https://data.humdata.org/dataset/kontur-population-dataset) Vector H3 hexagons with population counts at 400m resolution. Fixed up fusion of GHSL, Facebook, Microsoft Buildings, Copernicus Global Land Service Land Cover, Land Information New Zealand, and OpenStreetMap data.