1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.
Champguyon (French pronunciation:[ʃɑ̃ɡɥijɔ̃]) is a commune in the Marnedepartment, Grand Est region, in north-eastern France.[3] The commune has an area of 16.63 km2 and its altitude ranges from 159 to 214 meters.[4] The nearest larger towns are Esternay (4 km to the south) and Sézanne (14 km to the southeast). As of 2019, there were 146 dwellings in Champguyon, of which 109 main residences.[5]