Arrondissement of Cosne-Cours-sur-Loire
When the Nièvre department was created on 17 February 1800, the arrondissement of Cosne-Cours-sur-Loire was part of that original department, with the original name of Cosne. In 1952, the name was changed to Cosne-sur-Loire, and in 1973, after the commune Cours was joined to the commune Cosne-sur-Loire, the name was changed to the present name.