An exploration in to places and their names. Where are places that have the river in their name? Or mountain? Of course many of these are actual rivers or mountains, but this map includes also villages, cities or something completely different. As long as it’s in the GeoNames data.
The second map shows all the populated places from Europe using the same data, which have a name shorter than four characters. More examples from the blog post below.
Data
Tools
PostGIS, QGIS
Tutorial
I have published a blog post with more similar visualizations