Reference

Description
gadmr	An R Interface to the GADM Map Repository
Retrieving maps from gadm.org
get_geopackage()	Get geopackage format map of a specific country from GADM.
get_shapefile()	Get shapefile format map of a specific country from GADM.
get_map()	Get map of a specific country from GADM.
Supporting data
list_countries	Lookup table for countries included in GADM.