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Regions with same name.
Badge of GermanyGermany Badge of North Rhine-WestphaliaNorth Rhine-WestphaliaBadge of Regierungsbezirk MünsterRegierungsbezirk MünsterBadge of Kreis RecklinghausenKreis Recklinghausen

Unowned Region

Dortmund unruled Dortmund

When? Ruler Mapper
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For more information about rulers or mappers, look at this Page in our Wiki.

Sibling Regions of Dortmund

Played regions on same layer like Dortmund yet:
Ruled or Mapped: Badge of Castrop-RauxelCastrop-Rauxel Badge of GladbeckGladbeck Badge of Haltern am SeeHaltern am See Badge of MarlMarl Badge of RecklinghausenRecklinghausen  .
Neither Ruled nor Mapped Sibling Regions yet: Datteln, Dorsten, Herten, Oer-Erkenschwick, Waltrop.