The island of Corsica, a unique blend of French and Italian cultures, underwent a significant administrative restructuring when it was divided into two separate departments. Haute-Corse, translating to Upper Corsica, encompasses the northern part of the island, while Corse-du-Sud, or Southern Corsica, includes the southern half. This division was codified as part of a broader effort to enhance local governance, reflecting the island's diverse geography, history, and economy. Historical factors, such as Corsica's varied Italian roots and its subsequent incorporation into France in the 18th century, contributed to its rich cultural tapestry, which this division sought to respect and preserve.

The new departments allowed for management strategies that were better suited for the differing needs of the populations within Corsica. Haute-Corse is characterized by rugged mountains and traditional rural practices, while Corse-du-Sud boasts a more coastal and tourism-oriented economy. The division aimed to facilitate community representation and provide a clearer framework for administrative services, enhancing the efficiency of local governance. Additionally, this event came at a time of increasing regionalism in France, where local cultures sought greater autonomy and representation within the framework of the French Republic.

In administrative terms, Haute-Corse and Corse-du-Sud were delineated not just geographically but also administratively, intending to improve public services and economic planning. The new structuring of the island indicated a recognition of Corsica's unique identity and the importance of addressing the varying issues faced by its communities. Over the years, this split has fostered a sense of identity and local governance style that reflects the specific needs of each of the island’s regions.