The organisation named Communauté Urbaine du Grand Reims is a group of municipalities in the department of the Marne, in Great East. The total population of this intermunicipal organisation is 300690 inhabitants, spread across a surface area of 1428.32 km². The population density is 132 inhabitants/km². The maximum altitude is 92 metres. The Communauté Urbaine du Grand Reims public intermunicipal cooperation establishment comprises the 143 municipalities listed below.