Because I live in Seoul and work as a journalist, I'm paying close attention to the Winter Olympics as they open tonight in Pyeongchang, South Korea.

I don't know much about the Winter Games' history, so I decided first to research which countries are here. Europe dominates:

Here's a world map (Russia has many athletes here, but they're not eligible for medals because of a doping scheme):

And a table, so you can look up specific countries (there are 93 in total).