The borders of Greece are taken from Geoadata.gov.gr. The variables are created using the function tidy from the broom package. This data frame was created for use with the geom_polygon from ggplot2 package.
greece_bordersA tibble with 18,474 rows and 8 variables:
Longitude in decimal degrees, ETRS89
Latitude in decimal degrees, ETRS89
order, integer
hole, boolean
piece, integer
group, numeric
Konstantinos Vantas