They are the same as the geographical borders and were fixed (in effect) at the end of World War 2 and recognized definitively by Germany in 1990.
Germany
There is no more East and West Germany. Just Germany now
The anti-communist political shift led to the closing of the borders.
No Liechtenstein only borders Austria and Switzerland
Luxembourg
Luxembourg has borders with Germany, France, Belgium.
natural borders
Luxembourg borders Belgium, France, and Germany.
Neither is the answer. Liechtenstein borders Austria and Switzerland. Luxembourg borders Germany, Belgium and France.
Czechia (also known as the Czech Republic) borders both Germany and Poland.
Germany borders the North Sea and the Baltic Sea
Czechia (also known as the Czech Republic) borders both Germany and Poland.
Germany is. It borders Switzerland.
Germany borders France to the Northeast.
Germany
Time zone borders are jagged because they follow political borders.
Most of Germany's borders are land borders, and it only has a small area of coastlines. So they do not have a huge amount of beaches.