france, holland and germany
Germany
Many of the countries that Germany first attacked were ones that bordered it such as Poland, Denmark, Belgium, The Netherlands, Luxembourg and France. The fact that Germany was central meant that Hitler could attack many countries Germany bordered which would mean he could also get through to other countries that bordered the ones that his army had invaded.
There are 5 countries bordering Switzerland: France, Germany, Austria, Liechtenstein and Italy.
Two countries, Austria and Switzerland.
Since it's a landlocked country, it's bordered only by 4 countries. Germany, Poland, Austria and Slovakia.
The former East Germany bordered Poland, West Germany and Czechoslovakia (present day Czech Republic).
Belgium is bordered by the Netherlands, Germany, Luxembourg, France and the North Sea.
Belgium, Luxembourg, Germany, Switzerland, Italy, Monaco, Spain, Andorra
There are 5 countries bordering Switzerland: France, Germany, Austria, Liechtenstein and Italy.
France is bordered by Andorra, Belgium, Germany, Italy, Luxembourg, Monaco, Spain and Switzerland.
There are four countries that border Czech Republic. Germany, Slovakia, Austria, and Poland.