Learning
countries and capital cities can seem difficult when you try to memorise the entire world at once.
One practical method is to divide the map into continents, learn a small group of countries at a time, and test your recall using a blank map. Flashcards and regular revision can also help reinforce what you learn.

The Campus Review provides a world map resource for geography learners:
https://thecampusreview.com/geography/world-map-with-countries-and-capitals/What techniques do you use to remember countries and capital cities?