Tokyo

Tokyo is a city commonly being attacked by Kaiju in movies, books and other entertainment.

1943-1945
The Bombing of Tokyo in 1944 and 1945, with 75,000 to 200,000 killed and half of the city destroyed, was almost as devastating as the atomic bombing of Hiroshima and Nakasaki and combined.

Kaiju
In 1954, Godzilla attacked Tokyo. He then attacked it a lot of times. Rodan also attacked it along with other monsters such as Ghidorah, Kong, Gigan, Mechagodzilla, etc.

Population
As of August 1, 2013.
 * 13,185,502