The organisation named Communauté de Communes Le Tonnerrois en Bourgogne is a group of municipalities in the department of the Yonne, in Burgundy-Franche-Comté. The total population of this intermunicipal organisation is 15792 inhabitants, spread across a surface area of 788.22 km². The population density is 18 inhabitants/km². The altitude varies between 112 metres and 353 metres. The Communauté de Communes Le Tonnerrois en Bourgogne public intermunicipal cooperation establishment comprises the 52 municipalities listed below.