Enligt sidan jag länkade till så tillhör följande delar det centrala Tokyo:
https://wikitravel.org/en/Tokyo
Central Tokyo

Map of Central Tokyo
Chiyoda (Akihabara)
The seat of Japanese power (both political and economic) that includes the Imperial Palace, the Ministries near Kasumigaseki, the Parliament in Nagatacho, the corporate headquarters of Marunouchi, and the electronics mecca of Akihabara.
Chuo (Ginza)
Also includes the famed department stores of the Ginza and the fish markets of Tsukiji.
Meguro (Jiyugaoka)
A residential area with a few nice parks and museums.
Minato (Akasaka, Shinbashi, Roppongi, Odaiba, Shiodome)
Including the business centers of Akasaka and Shinbashi, the famed neighboring nightclub district of Roppongi, the port district (at least in name) which includes the artificial island of Odaiba, the skyscrapers of Shiodome.
Shibuya (Harajuku, Ebisu)
The fashionable shopping district which also encompasses the teenybopper haven of Harajuku (also home to the Meiji Shrine) and the cosmopolitan nightlife of Ebisu.
Shinagawa (Gotanda)
A major train hub and business center, including Gotanda.
Shinjuku
Home to luxury hotels, giant camera stores, futuristic skyscrapers, hundreds of shops and restaurants, and Kabukicho, Tokyo's traditional nightlife and red-light district.
Toshima (Ikebukuro)
Including Ikebukuro, another giant train hub.