On OpenStreetMap
Regions with same name.
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Unowned Region

Central Business District unruled Central Business District

So far 10 distinct quadrants have been played within the region Central Business District.
When? Ruler Mapper
Current Score
For more information about rulers or mappers, look at this Page in our Wiki.

Sibling Regions of Central Business District

Played regions on same layer like Central Business District to date:
Neither Ruled nor Mapped Sibling Regions till now: O’Bryonville, Oakley, Over-the-Rhine.