On the eve of World War II, Europe had some 17,000 synagogues. According to the foundation’s database, fewer than 850 remain throughout the continent and in Russia, which is included in the map.

Because the world is a sphere, it is difficult to accurately project this on a two-dimensional map. When the world is ... seven continents and five oceans. Europe is a continent.

This tiny landlocked country is the fifth-smallest in the world and, unlike its neighbours, only receives around two million ...