ETokyo (i-UK: iTokyo) yinqanaba elikhulu lehlabathi elijongene neTokyo Bay ephakathi kweKannto kwaye liyinkunzi yaseJapan. Ekuqaleni isixeko sase-Edo saqanjwa ngokuthi "Tokyo" ngoSeptemba 1868. Ngo-Matshi 28, ngo-1869, isixeko saseJapan sathunyelwa sisuka eKyoto siye "eTokyo". Njengoko inani labantu lahlile, inani labantu baseTokyo lamashumi angama-23 kwathiwa liye lahla ukuya kwizigidi ezi-2.8 ngexesha nje emva kweMfazwe yasePacific. Nangona kunjalo, emva kwemfazwe, iTokyo iye yavuselela ngokuphawulekayo, kwaye inani labantu liye laqhubeka landa, ngowe-2000, lenyuke ukuya kwizigidi ezili-12 eTokyo kunye nezigidi ezingama-29.36 kwindawo ebizwa ngokuthi "indawo yaseTokyo" (indawo yaseTokyo).