Principal towns

The most populous commune is Chartres, the prefecture. As of 2019, there are 6 communes with more than 10,000 inhabitants:^[3]

Agriculture

The department is a major economic player in the production of grain and oilseed in France.^[6] Its agricultural economy is still heavily dependent on the economic and regulatory environment of the markets for crops. The Eure-et-Loir region is the first grain producer of France. It is also the national leader in the production of rapeseed and peas. Wheat production is by far the most dominant in the area. Nearly 40% of all farmland is devoted to the cultivation of wheat, which has generated an average of 29% of the commercial agricultural production of the department over the last 5 years.

The "Pôle AgroDynamic also promotes agriculture in the department", a grouping of subsidiaries providing added values in different sectors: agro-energy, agribusiness, agricultural materials, Agrohealth.

Industries

• The Cosmetic Valley cluster, around Chartres, which is the most important centre of the French beauty and well-being (perfumes/cosmetics) industry, with big names such as Guerlain, Paco Rabanne, Lolita Lempicka, Jean-Charles de Castelbajac and Jean-Paul Gaultier. The Cosmetic Valley represents 2.5 billion euros of turnover, includes 200 companies, collaborates with the Universities of Orleans and Paris and employs more than 30,000 employees.
• The pharmaceutical industry, around Dreux and the Polepharma cluster. Created in 2002 under the leadership of CODEL^[7] Polepharma is a cluster of French pharmaceutical production which includes companies like Ipsen, Novo Nordisk, Laboratoires Expanscience, LEO Pharma, Ethypharm Famar, Norgine, Nypro, Synerlab / Sophartex and Seratec. The cluster represents 50% of drug production in France and 30,000 jobs. The Pharma cluster is also one of the creators of the inter-regional alliance "Pharma Valley" that has partner networks: Polepharma, CBS and Grepic. This alliance represents 60% of the production sites located in France and 2.5 billion euros of turnover.
• the agri-food industry, promoted by Agrodynamic (rural center of excellence), with two major companies in the sector: Ebly at Chateaudun and an Andros at Auneau.
• woodcraft and furniture industry around the association Perchebois.
• the rubber and plastics industry, through the cluster Elastopole.
• the elevator manufacturer Octé has its head office in Châteauneuf-en-Thymerais ^[8]

Energy

The department also has the lead in renewable energy. Already ranked second nationally in terms of power generation through its wind farms located in particular in the Beauce region of Eure-et-Loir in 2012 will be the largest producer of electricity with photovoltaic French original creation on the airbase NATO disused Crucey-Villages near Brezolles in the region's natural Thymerais, the largest photovoltaic park in France. Given in February 2011 by the General Council to the operator, EDF Energies Nouvelles, the park will cover 245 ha of the military base and produce the equivalent output of 160 wind turbines.

Presidential elections 2nd round

Current National Assembly Representatives

Middle Ages

• Hasting, viking chief who was Count of Chartres (882 - 892)
• Hugues Capet (c. 939 – 996), King of the Franks, deceased near Voves
• Fulbert de Chartres (952-970 – 1028), bishop founder of School of Chartres
• Bernard of Tiron (1046 - 1117), founder of the monastic order of Tiron and of the abbey of Thiron-Gardais
• John of Salisbury (1115 - 1180), student of Abélard and of Fulbert de Chartres. British intellectual, friend of Thomas Becket. Bishop of Chartres from 1176 to 1180.
• Philippe VI of France (1293 – 1350), died at the Abbey of Notre-Dame of Coulombs, near Nogent-le-Roi
• Jean II of France (1319 – 1364), who signed the Treaty of Brétigny during the Hundred Years War at Sours, a village near Chartres

Renaissance

• Joan of France, Duchess of Berry (1464 - 1505), born in Nogent-le-Roi, wife of Louis XII of France, canonised by the Pope Pius XII in 1950.
• Diane de Poitiers (1499 - 1566), favourite of Henry II of France
• Rémy Belleau (1526 - 1577), poet of the Pléiade
• Henri IV of France (1553 - 1610), crowned in Chartres Cathedral
• Jean Louis de Nogaret de La Valette (1554 – 1642), Duc d'Épernon, minion of Henri III of France.
• Maximilien de Béthune (1559 - 1641), duke of Sully-sur-Loire died at the Villebon château, buried at Nogent-le-Rotrou)

19th and 20th century

• Émile Zola (1840 – 1902), who was inspired by Romilly-sur-Aigre for his novel La Terre
• Marcel Proust (1871 – 1922) spent time during his youth in the town Illiers-Combray where his aunt lived
• Paul-Félix Armand-Delille (1874 – 1963), bacteriologist
• Chaïm Soutine (1893 – 1943), painter
• Simone Segouin (1925 - ), also known by her nom de guerre Nicole Minet, is a former French Resistance fighter who served in the Francs-Tireurs et Partisans group.
• Lolita Lempicka (1954 - ), fashion designer and perfumer who lives in Berchères-sur-Vesgre