Note: This region was mainly occupied by bishoprics, although a county of Champagne exists, it's ruler, Theobald, Count of Champagne, was also King of Navarre -> http://en.wikipedia.org/wiki/Theobald_II_of_Navarre
City :
Reims formerly spelled "Rheims" ->
http://en.wikipedia.org/wiki/Reims
Ruler : Thomas of Beaumes, Archbishop of Reims [Thomas de Beaumetz, Archevêque de Reims] ->
http://en.wikipedia.org/wiki/Archbishop_of_Reims
Coat of Arm :
http://fr.wikipedia.org/wiki/Fichier:Blason_Archev%C3%AAques_de_Reims.svg
Village : Châlons (or Châlons-sur-Marne) -> http://en.wikipedia.org/wiki/Ch%C3%A2lons-en-Champagne
Ruler : Peter of Hans, Bishop of Châlons [Pierre Ier de Hans, évêque de Châlons] -> http://en.wikipedia.org/wiki/Roman_Catholic_Diocese_of_Ch%C3%A2lons
Coat of Arm : http://fr.wikipedia.org/wiki/Fichier:Blason_Ev%C3%AAques_de_Ch%C3%A2lons-en-Champagne.svg
Village : Langres -> http://en.wikipedia.org/wiki/Langres
Ruler : Guy of Rochefort, Bishop of Langres [Guy de Rochefort, évêque de Langres] -> http://en.wikipedia.org/wiki/Bishopric_of_Langres
Coat of Arm : http://fr.wikipedia.org/wiki/Fichier:Blason_ville_fr_Langres_%28Haute-Marne%29.svg
Village : Laon -> http://en.wikipedia.org/wiki/Laon
Ruler : Ithier of Mauny, Bishop of Laon [Ithier de Mauny, évêque de Laon] -> http://en.wikipedia.org/wiki/Ancient_Diocese_of_Laon
Coat of Arm : http://fr.wikipedia.org/wiki/Fichier:Blason_Ev%C3%AAques_de_Laon.svg