We don't have synonyms for nakano yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are nakao, nagano and takano.
(n) :
A special ward of Tokyo prefecture, Japan that is surrounded by (clockwise from north) Nerima, Toshima, Shinjuku, Shibuya, and Suginami special wards.
(n) :
A special ward of Tokyo prefecture, Japan that is surrounded by (clockwise from north) Nerima, Toshima, Shinjuku, Shibuya, and Suginami special wards.