1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.
2Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.
It was the centre of the medieval County of Brienne, whose lords, first counts and eventually dukes, had a claim to the Kingdom of Jerusalem which never materialized, though many claimed the title.
The École de Brienne was established in 1730 and remained active until it was closed in 1790. It is currently a museum. Notable students included: