What was the biggest theater of war in WW2?

Am I right in saying it was the eastern front?

I admit that I am not sure which criteria could be used to answer this

For men and tanks engaged, certainly.

For space, I think it would be the Pacific. It was not only vanity (on the part of the commanders) that caused the Chiefs to divide it into two commands.

all the best

I suppose we need to determine what 'biggest' means. As theatre is normally used in a geographical sense the answer might well be the

It does depend on the criteria :

Largest Geographically : The Pacific

Largest in terms of manpower involved : Eastern Front

Largest in terms of geography and manpower involved : South East Asia +

{snip various comparisons of 'big'}

In terms of egos it was the ETO - Patton vs Monty anyone?

The highest theatre was probably the Caucasus Mountains.

Cheers

How about the Himalayas, in the CBI Theater? No active operations there?

George Z.

It had a great deal of competition from the PTO, which featured MacArthur and a lot of interference from Admiral King. Patton's offer to go to the PTO and command a division, corps, or army was turned down, probably on the grounds that the Pacific was much too small for both those egos.

But if you are measuring density, then ETO was much bigger...