The Dien is a 14 km long river in northern France, in the northwest of the Somme department , in the Hauts-de-France region , and one of the last tributaries of the Somme on the right bank.
The Dien is a 14 km long river in northern France, in the northwest of the Somme department , in the Hauts-de-France region , and one of the last tributaries of the Somme on the right bank.