Bard-le-Régulier is located in the Massif of Morvan in a natural regional park at the foot of Mount Bard some 60 km south-west of Dijon, 25 km north of Autun, and 12 km west of Arnay-le-Duc. Access to the commune is by the D15 road from Brazey-en-Morvan in the north which passes through the heart of the commune and the village before continuing south to join the D11 south of Manlay. The D15E goes north-east from the village to Vianges. The D115 goes south-west from the village to join the D233 south-west of the commune after changing to the D247 at the departmental border. A railway line passes through the commune from north to south but there is no station in the commune with the nearest station some 2 km south-east of the commune. The commune is quite heavily forested but with large areas of farmland.
The Trévoux rises from a small lake in the north of the commune and flows south through the village continuing south to eventually join the Arroux north-west of Igornay.
In 2010 the commune had 70 inhabitants. The evolution of the number of inhabitants is known from the population censuses conducted in the commune since 1793. From the 21st century, a census of communes with fewer than 10,000 inhabitants is held every five years, unlike larger communes that have a sample survey every year.[Note 1]
The Church of Saint John the Evangelist (11th century) is registered as an historical monument. The Church is surmounted by an octagonal bell tower which was built in the 11th to the 14th centuries. It depended on the priory of the Canons Regular of Saint Augustine. The Church contains several items that are registered as historical objects:
^At the beginning of the 21st century, the methods of identification have been modified by Law No. 2002-276 of 27 February 2002, the so-called "law of local democracy" and in particular Title V "census operations" allows, after a transitional period running from 2004 to 2008, the annual publication of the legal population of the different French administrative districts. For communes with a population greater than 10,000 inhabitants, a sample survey is conducted annually, the entire territory of these communes is taken into account at the end of the period of five years. The first "legal population" after 1999 under this new law came into force on 1 January 2009 and was based on the census of 2006.