'Cherbourg in Cotentin'; Norman: Tchidbouo) is a port city in the department of Manche, Normandy, northwestern France, established on 1 January 2016.

Its urban unit is composed of three communes (Cherbourg-en-Cotentin, Martinvast and Tollevast)[5] and has 81,963 inhabitants (2018).

Theories include descent from Latin, Gallo-Latin, Proto-Germanic, Anglo-Saxon and Old Norse.

The municipality was established on 1 January 2016 by a merger of the former communes of Cherbourg-Octeville, Équeurdreville-Hainneville, La Glacerie, Querqueville and Tourlaville.

[3][8] Total: 79200 In 2017, in Cherbourg-en-Cotentin there were 43,118 dwellings of which 88.8% of primary residences, 3.5% second homes and 7.7% vacant houses.