Find out median center of population for European countries. Data is from eurostat https://ec.europa.eu/eurostat/web/gisco/geodata/reference-data/population-distribution-demography/geostat where they give number of people in each square kilometer in Europe
Which I discovered from this cool r package graph of european population density https://gist.github.com/cpsievert/7dd28a478b4c051180d802321353259d
GRD_ID contains north and east co-ordinates.
conversion done on https://epsg.io/transform#s_srs=3035&t_srs=4326&x=5214000.0000000&y=2224000.0000000 from Input coordinate system EPSG:3035 ETRS89 / LAEA Europe this input system needs to have 000 added to it to move form square km in the data to square m in the output mapping to Output coordinate system EPSG:4326 WGS 84