Loir-et-Cher
Loir-et-Cher is a French department in the Centre-Val de Loire region, centered on the prefecture of Blois.
Last updated August 25, 2026
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Overview
Loir-et-Cher is a department of France in the Centre-Val de Loire region. Its name refers to the Loir and Cher rivers, which run through its northern and southern areas respectively, while the Loire crosses the department through its central corridor. Blois is the prefecture and principal administrative center. The department is identified by the number 41, used by INSEE and La Poste, and its inhabitants are known in French as Loir-et-Chériens. The department was created on 4 March 1790 under the territorial reorganization established by the law of 22 December 1789. Its formation followed difficult negotiations among neighboring towns and historic provinces. The resulting territory combined portions of the former Orléanais, Touraine, and Berry, with the Sologne, Beauce, Perche, and Loire Valley contributing to its varied geographic character. The department's irregular shape reflects disputes over whether communities such as Montrichard, Saint-Aignan, and Salbris should be attached to neighboring centers including Tours, Amboise, Vierzon, or the Berry. Loir-et-Cher has a long history preceding the modern French administrative system. The area was populated in prehistoric times and later developed defensive settlements and castles in response to invasions and political conflicts involving Normans, Burgundians, the English, and other powers. Blois became particularly influential after the County of Blois passed to the House of Orléans in 1397. The accession of Louis XII, formerly Louis of Orléans and hereditary Count of Blois, strengthened the political importance of Blois and the surrounding Blaisois. During the late Valois period, the royal court and wealthy patrons sponsored a concentration of castles and aristocratic residences, many of which remain major heritage sites. The region was also affected by the French Wars of Religion. The Estates General met at Blois in 1576 and again in 1588, underlining the town's national political importance. Following Napoleon's defeat at Waterloo, Prussian forces occupied Loir-et-Cher from June 1815 until November 1818. Today, Loir-et-Cher covers roughly 6,300 square kilometres and occupies a strategic position between the Paris Basin and the central Loire region. It borders Eure-et-Loir, Loiret, Cher, Indre, Indre-et-Loire, and Sarthe. Its landscapes range from the Beauce and Perche in the north to the Sologne in the south, with the Loire Valley providing a major settlement, transport, cultural, and tourism corridor. Agriculture remains important, while commerce and services are concentrated around Blois and other valley towns. The department also benefits from proximity to the urban areas of Tours and Orléans. Tourism is strongly associated with the department's architectural and natural heritage. The Château de Blois, Château de Chambord, Château de Cheverny, and Château de Chaumont are among its best-known landmarks. The area's forests and rural landscapes also support cultural and screen-related activity; the Sologne was used as a filming location for the 2022 nature documentary Heart of Oak. In 2023, Loir-et-Cher had a population of approximately 328,543.
History
The territory of present-day Loir-et-Cher was inhabited in prehistoric times and later became marked by fortified settlements, castles, and aristocratic residences. Its position along the Loire and near the boundaries of several historic provinces made it strategically and politically significant. Medieval communities faced conflict and invasion involving Norman, Burgundian, English, and other forces, encouraging the development of defensive architecture. A major change came in 1397, when the County of Blois became a possession of the House of Orléans. Louis of Orléans, the 23rd hereditary Count of Blois, became King Louis XII in 1497. His accession helped elevate Blois and the Blaisois in French political life, particularly during the final Valois era. Royal and aristocratic patronage produced a notable group of châteaux and country residences, including the architectural complexes associated with Blois, Chambord, Cheverny, and Chaumont. The region experienced severe religious conflict during the reign of Charles IX. Blois hosted the Estates General in 1576 and 1588, events that reflected the city's continuing role in national politics. Before the Revolution, the territory was divided among parts of Orléanais, Touraine, Berry, Perche, Maine, Beauce, and Sologne rather than forming a single administrative unit. The creation of the department was contentious. Revolutionary administrators intended Blois to become the center of one of France's new departments, but neighboring cities and local communities disputed the proposed boundaries. Montrichard considered links with Amboise and Tours, Saint-Aignan looked toward Berry, and Salbris toward Vierzon. Negotiations eventually gave Blois a substantial part of Sologne while excluding Beaugency, and incorporated areas from the former Orléanais and Touraine together with part of Berry. Loir-et-Cher was formally established on 4 March 1790 under the framework of the law of 22 December 1789. Its narrow central section and wider northern and southern extensions preserve the history of these negotiations. After the Napoleonic period, Prussian forces occupied the department from June 1815 to November 1818 following the coalition victory at Waterloo. Over the nineteenth and twentieth centuries, the department developed as a mixed rural, administrative, commercial, and heritage territory. Blois remained its prefecture and principal urban center, while the Loire corridor connected it with Tours to the west and Orléans and the Paris Basin to the east. In the contemporary period, Loir-et-Cher forms part of Centre-Val de Loire. Its identity is shaped by the combination of Loire Valley settlements, northern Beauce and Perche landscapes, southern Sologne forests, agriculture, public administration, and heritage tourism. The department's historic sites and natural environments continue to attract visitors and cultural projects. The Sologne also provided the setting for the filming of Heart of Oak, a 2022 French nature documentary focused on the life of an old oak tree.
- 2022
Heart of Oak filmed in Sologne
[1]The nature documentary Heart of Oak used a centuries-old oak and its surrounding Sologne ecosystem as a filming location.
- 2021
Philippe Gouet elected departmental council president
[1]Philippe Gouet of the Union of Democrats and Independents became president of the Departmental Council.
- 1818
Prussian occupation ends
[1]The occupation ended in November 1818.
- 1815
Prussian occupation begins
[1]Prussian troops occupied the department after the coalition victory at Waterloo.
- 1790
Department established
[1]Loir-et-Cher was created on 4 March 1790 as part of the French Revolution's departmental reorganization.
- 1588
Second Estates General meeting at Blois
[1]The Estates General met again at Blois, confirming the city's national political role during the late Valois period.
- 1576
Estates General convene at Blois
[1]Blois hosted the Estates General during a period of intense religious and political conflict.
- 1497
Louis of Orléans becomes Louis XII
[1]The accession of the former hereditary Count of Blois helped make Blois and the surrounding Blaisois more prominent in French political life.
The County of Blois enters the House of Orléans
[1]The County of Blois became a possession of the House of Orléans, strengthening the political importance of the territory.
Products and positioning
A centrally located French department positioned around public administration, Loire Valley heritage, agricultural diversity, and access between Tours, Orléans, and the Paris Basin.
Public administration · 1790
Departmental public services
The Departmental Council and related public bodies provide local-government services across Loir-et-Cher. These functions include territorial administration and the management of departmental responsibilities. The administrative center is Blois, which also serves as the prefecture and the department's main urban and commercial hub.
Tourism and cultural heritage
Loire Valley heritage tourism
Loir-et-Cher's visitor offer is strongly associated with the Loire Valley and its historic architecture. The Château de Blois, Château de Chambord, Château de Cheverny, and Château de Chaumont are prominent attractions within a broader landscape of royal, aristocratic, and rural heritage.
Agriculture
Agriculture and rural production
Agriculture is an established part of the department's economy and landscape. Production and rural activity extend across the Beauce, Perche, Loire Valley, and Sologne, reflecting the department's varied soils, terrain, and regional history.
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