Definition of "Tōkyō"

While this appears to be the case with many modern dialect systems, there is considerable debate as to whether the Kyōto-Ōsaka system, which makes more distinctions, is older or newer than the Tōkyō system.

1990, Masayoshi Shibatani, The languages of Japan, Cambridge University Press, page 122

Tōkyō commands a prominent position in the Kantō region on the southern cost of Honshū, Japan's largest island.

2007, Alexis C. Kelly with Deborah Kaufman, Fodor's Tōkyō, Fodor's Travel (Random House), page 12