Half-loop route

Saint-Dizier (French pronunciation: [sɛ̃.di.zje]) is a subprefecture of the Haute-Marne department in north-eastern France.It has a population of 23,382 (2018 figure) and is a subprefecture of the department. Although Saint-Dizier is marginally the most populous commune in Haute-Marne, the préfecture (capital) resides in the somewhat smaller commune of Chaumont.

The arrondissement of Saint-Dizier is an arrondissement of France in the Haute-Marne department in the Grand Est region. It has 111 communes. Its population is 66,529 (2021), and its area is 1,571.4 km2 (606.7 sq mi).

The canton of Saint-Dizier-2 is an administrative division of the Haute-Marne department, northeastern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Saint-Dizier.It consists of the following communes:Saint-Dizier (partly)