The Czech Republic, also known as Czechia, is a country in Central Europe.
History[]
After hearing that Skyler is trying to divorce Walt, Saul suggests that there are other fish in the sea, like in Thailand or the Czech Republic. ("Caballo Sin Nombre")
Lydia claims that there is a higher demand for meth in the Czech Republic than all of Europe, giving the statistic of 5% of the 10 million people in the country being meth users. ("Gliding Over All")
Charlie Rose mentions that there are reports of Blue Meth reaching as far as Europe. This is implied to be the Czech Republic given Walt and Lydia's deal. ("Granite State")