The Czech Republic was a country on the planet Earth. The city of Prague and the region and kingdom of Bohemia were located in this country. The abbreviation for this nation was CZ. (TNG-R: "The Neutral Zone", okudagram)
In 2024, the Czech Republic participated in the Europa Mission. (PIC: "Fly Me to the Moon")
The remastered Clare Raymond family tree mentioned "Prague, CZ" as birthplace for Eric Bruno Raymond late 21st century and "CZ" is the code for the "Czech Republic" in the ISO 3166 directory.
The Czech Republic did not exist in 1988 when "The Neutral Zone" originally aired, its territory was part of Czechoslovakia at the time.