From the Wikipedia page 
The canton of Cavaillon is a French administrative division in the department of Vaucluse and region Provence-Alpes-Côte d'Azur.
At the French canton reorganisation which came into effect in March 2015, the canton was reduced from 6 to 2 communes:
- Caumont-sur-Durance: 4,663 inhabitants (2012)
- Cavaillon: 25,289 inhabitants (2012)