Ardeuil-et-Montfauxelles is located 25 km south of Vouziers and 16 km east by north-east of Sommepy-Tahure on the border with the Marne department, which border forms the southern border of the commune. Access is by road D6 from Manre in the west, passing through the commune and the village before continuing east to Montcheutin. The smaller D121 road goes from the village north-east to join the D21 south-east of Challerange. Apart from the two villages of Ardeuil and Montfauxelles the commune is entirely farmland.

The Allin river flows through the commune from west to north-east. It joins the Aisne river at Brécy-Brières.

This list is incomplete; you can help by adding missing items. (April 2021)

List of Successive Mayors

The inhabitants of the commune are known as Ardeuillais or Ardeuillaises in French. The population data given in the table and graph below for 1821 and earlier refer to the former commune of Ardeuil.

Historical population

Year Pop. ±% p.a. 1793 91 —     1800 102 +1.64% 1806 96 −1.01% 1821 109 +0.85% 1831 213 +6.93% 1836 215 +0.19% 1841 202 −1.24% 1846 191 −1.11% 1851 192 +0.10% 1866 201 +0.31% 1872 172 −2.56% 1876 160 −1.79% 1881 166 +0.74% 1886 176 +1.18% 1891 173 −0.34% 1896 170 −0.35% 1901 164 −0.72%	Year Pop. ±% p.a. 1906 181 +1.99% 1911 144 −4.47% 1921 81 −5.59% 1926 124 +8.89% 1931 138 +2.16% 1936 132 −0.89% 1946 121 −0.87% 1954 143 +2.11% 1962 143 +0.00% 1968 120 −2.88% 1975 91 −3.87% 1982 89 −0.32% 1990 91 +0.28% 1999 76 −1.98% 2007 89 +1.99% 2012 83 −1.39% 2017 68 −3.91%
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Source: EHESS and INSEE

• Communes of the Ardennes department

• Ardeuil-et-Montfauxelles on the National Geographic Institute website (in French)
• Ardeuil-et-Montfauxelles on Géoportail, National Geographic Institute (IGN) website (in French)
• Ardeuil and Montfauxel on the 1750 Cassini Map

Wikimedia Commons has media related to Ardeuil-et-Montfauxelles.