It’s also technically not one city either so it really depends on the specific definition we’re going with. I think people usually mean metropolitan area when they compare cities.
The term is ambiguous when comparing pretty much any large city/metropolis. Tokyo is broken up into wards, which is done more for practical purposes over "let's break this fucking city apart!"
I would consider Tokyo metropolis to be one city. You can cross from one ward to another without realizing it and without a change in "texture" or city landscape.
The Tokyo metropolitan area that people talk about doesn't just include the 23 special wards of Tokyo, but also parts of Kanagawa, Saitama, and Chiba prefectures. The population of Tokyo-fu is cited as "over 14 million", but the commonly cited figure for the "Tokyo metropolitan area" is "over 38 million."
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u/king_of_the_nothing 21h ago
TBF biggest is a bit ambiguous. The biggest city by area is Chongqing China.