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Niwa (丹羽郡, Niwa-gun) is a district located in northwestern Aichi Prefecture, Japan.
As of October 1, 2019, the district had an estimated population of 58,304 with a density of 2,351 persons per km2. The total area is 24.79 km2.
Municipalities
The district consists of two towns:
- Notes
History
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* yellow - areas formerly within the district borders during the early Meiji period
- Fusō-machi
- Ōguchi-machi
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