Montillières-sur-Orne is a commune in northwestern France that was created on 1 January 2019. The new municipality brings together two former communes: Trois‑Monts (the administrative seat) and Goupillières. Information about the commune as an administrative entity is available via the local communal information page.

Location and name

The commune sits within the historic and administrative region of Normandy, more precisely in the area commonly referred to as Normandy in northwestern France. It belongs to the Calvados department and is part of the departmental network described on the Calvados department resources. The name Montillières‑sur‑Orne denotes its association with the Orne area: such place names typically indicate proximity to the Orne river valley or the historic canton bearing that name (northwest France context).

Administration and character

As a French commune, Montillières‑sur‑Orne is governed by a municipal council and a mayor, and it performs the standard local responsibilities for planning, schools, and services. The consolidation into a single commune reflects a broader national trend to combine small neighbouring communes to pool resources, simplify administration and strengthen local services. The seat of the new municipality remains in Trois‑Monts (Trois‑Monts), where municipal meetings and primary administration are based.

History of the merger

The municipality was established by prefectural decree at the start of 2019. The formal process followed the legal framework for creating a "commune nouvelle," a mechanism introduced to encourage voluntary mergers while preserving local identity. Residents and elected officials of both former communes agreed on the union to improve public service delivery and plan jointly for future development.

Local life and significance

Montillières‑sur‑Orne is typical of many small rural communes in Normandy: the landscape includes agricultural land, local roads linking hamlets and villages, and cultural traces of regional heritage. While small in scale, such communes play an important role in preserving local traditions, managing territory, and providing basic services to dispersed populations.