Saint-Hilaire-sous-Romilly

Crancey (French pronunciation: [kʁɑ̃sɛ]) is a commune in the Aube department in north-central France.

Esclavolles-Lurey (French pronunciation: [eklavɔl lyʁɛ]) is a commune in the Marne department in north-eastern France.

Gélannes (French pronunciation: [ʒelan]) is a commune in the Aube department in the Grand Est region in north-central France.

Conflans-sur-Seine (French pronunciation: [kɔ̃flɑ̃ syʁ sɛn], literally Conflans on Seine, before 1962: Conflans) is a commune in the Marne department in north-eastern France.

Périgny-la-Rose (French pronunciation: [peʁiɲi la ʁoz]) is a commune in the Aube department in north-central France.

Villiers-aux-Corneilles (French pronunciation: [vilje o kɔʁnɛj]) is a commune in the Marne department in north-eastern France.

Marcilly-sur-Seine (French pronunciation: [maʁsiji syʁ sɛn], literally Marcilly on Seine) is a commune in the Marne department in north-eastern France. It is near the confluence of the Aube and the Seine.

The Canton of Romilly-sur-Seine-1 is a former canton of the arrondissement of Nogent-sur-Seine, in the Aube department, in northern France. It had 9,558 inhabitants (2012). It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 12 communes:

The Canton of Romilly-sur-Seine-2 is a former canton of the arrondissement of Nogent-sur-Seine, in the Aube department, in northern France. It had 10,921 inhabitants (2012). It was disbanded following the French canton reorganisation which came into effect in March 2015. It covered part of the commune Romilly-sur-Seine.

Potangis (French pronunciation: [pɔtɑ̃ʒi]) is a commune in the Marne department in north-eastern France.

Romilly-sur-Seine (French pronunciation: [ʁɔmiji syʁ sɛn], literally Romilly on Seine) is a commune in the Aube department in north-central France.

The Aube (French pronunciation: [ob] ) is a river in France, a right tributary of the Seine. It is 248.9 kilometres (154.7 mi) long. The river gives its name to the Aube department. Its source is in the Haute-Marne department, on the plateau of Langres, near the town of Auberive. It flows through the departments of Haute-Marne, Côte-d'Or, Aube, and Marne. It flows into the river Seine near Marcilly-sur-Seine. Cities along the river include Bar-sur-Aube and Arcis-sur-Aube.