Most of the fighting from world war 1 happened in Europe in the countries of Belgium and France. The germans did most of the fighting and invasions.
Most of the fighting took place in France.
Most European countries were involved in World War 1. In Western Europe, most of the fighting took place in Belgium and France and in Eastern Europe, Turkey and Bulgaria saw a lot of fighting.
Most of the Fighting took place in France along the western front so there fore most of the shell explosions have destroyed France more than any other country.
France and Belgium.
The war covered the entire country but most of the fighting took place south of the DMZ.
France and Ypres
In France, along the fronteer between France and Germany.
World War 2 was a world war, meaning it involved most of the countries of the world in some way. The fighting took place in most of the oceans of the world and all throughout Europe, western Asia (aka Russia), northern Africa, and the Pacific islands.
Trench warfare.
The fighting in the Gallipoli Campaign of World War I had naval and air dimensions. Most of the fighting, however, took place on the land of the Gallipoli Peninsula itself between ground troops of both sides. This spit of land is located to the north of the Dardanelles Straits.
Hanukkah takes place in any country where there are Jewish people to celebrate it, which includes most of the countries of the world.