The crown lands, crown estate, royal domain or (in French) domaine royal (from demesne) of France were the lands, fiefs and rights directly possessed by the kings of France.Hallam, 79 and 247. While the term eventually came to refer to a territorial unit, the royal domain originally referred to the network of "castles, villages and estates, forests, towns, religious houses and bishoprics, and the rights of justice, tolls and taxes" effectively held by the king or under his domination.Hallam, 80–82. In terms of territory, before the reign of Henry IV, the domaine royal did not encompass the entirety of the territory of the kingdom of France and for much of the Middle Ages significant portions of the kingdom were the direct possessions of other feudal lords.

In the tenth and eleventh centuries, the first Capetians—while being the kings of France—were among the least powerful of the great feudal lords of France in terms of territory possessed. Patiently, through the use of feudal law (and, in particular, the confiscation of fiefs from rebellious vassals), conquest, annexation, skillful marriages with heiresses of large fiefs, and even by purchase, the kings of France were able to increase the royal domain. By the time of Philip IV, the meaning of "royal domain" began to shift from a mere collection of lands and rights to a fixed territorial unit,Hallam, 247. and by the sixteenth century the "royal domain" began to coincide with the entire kingdom. However, the medieval system of appanage (a concession of a fief with its land rights by the sovereign to his younger sons, which reverts to the crown upon the extinction of the male line of the original holder) alienated large territories from the royal domain and sometimes created dangerous rivals (especially the Burgundian State from the 14th to the 15th centuries).

During the Wars of Religion, the alienation of lands and fiefs from the royal domain was frequently criticized. The Edict of Moulins (1566) declared that the royal domain (defined in the second article as all the land controlled by the crown for more than ten years) could not be alienated, except in two cases: by interlocking, in the case of financial emergency, with a perpetual option to repurchase the land; and to form an appanage, which must return to the crown in its original state on the extinction of the male line.

Traditionally, the king was expected to survive from the revenues generated from the royal domain, but fiscal necessity, especially in times of war, led the kings to enact "exceptional" taxes, like the taille, upon the whole of the kingdom (the taille became permanent in 1439).

Chronology of the formation of the royal domain

House of Capet

Reign of Hugh Capet At the beginning of Hugh Capet's reign, the crown estate was extremely small and consisted mostly of scattered possessions in the Île-de-France and Orléanais regions (Senlis, Poissy, Orléans), with several other isolated pockets, such as Attigny. These lands were largely the inheritance of the Robertians, the direct ancestors of the Capetians.

988: Montreuil-sur-Mer, the first port held by the Capetians, is acquired through the marriage of the crown prince Robert (future Robert II the Pious) with Rozala, the widow of the Arnulf II, Count of Flanders.

Reign of Robert II

1016: acquisition of the Duchy of Burgundy. The king was the nephew of Duke Henry of Burgundy, who died without heirs. Robert gains the counties of Paris, Dreux and Melun, and negotiates the ultimate acquisition (1055) of a part of Sens.Hallam, 82.

Reign of Henry I

1034: the king gives the Duchy of Burgundy to his brother RobertHallam, 250. (the duchy would remain with his descendants until 1361; see House of Burgundy) 1055: annexation of the County of Sens.

Reign of Philip I

1068: acquisition of Gâtinais and Château-Landon from Fulk IV, Count of Anjou 1077: annexation of the French Vexin 1081: acquisition of Moret-sur-Loing 1101: acquisition of the Viscounty of Bourges and the seigneury of Dun-sur-Auron from Odo Arpin of Bourges

Reign of Louis VI

the king spends much of his reign pacifying and consolidating the royal domain by battling certain feudal lords (lords of Montlhéry, of Coucy, of Puiset, of Crécy...) from Fulk, Viscount of Gâtinais, Louis bought Moret, Le Châtelet-en-Brie, Boësses, Yèvre-le-Châtel and Chambon. Other additions to the royal domain include: Montlhéry and Châteaufort, Chevreuse, Corbeil, Meung-sur-Loire, Châteaurenard and Saint-Brisson.Hallam, 157.

Reign of Louis VII

1137: marriage of Louis with Eleanor of Aquitaine, Duchess of Aquitaine and Gascony and Countess of Poitou. By this marriage, Louis hopes to attach most of South-West France to the royal domain. 1137: Louis gives Dreux to his brother Robert.Hallam, 250. 1151: separation of Louis VII and of Eleanor of Aquitaine, who in 1152 weds Henry Plantagenet, Count of Anjou, Count of Maine and Duke of Normandy, who becomes in 1154, King of England. Eleanor's lands come to Henry in her dowry. 1160: gives Norman Vexin to his daughter Margaret as a dowry.Hallam, 157. Margaret is later forced to surrender her dowry.

Reign of Philip II Augustus

1184: granted Montargis.Hallam, 158. 1185: by the Treaty of Boves, gains Amiens and Montdidier, Roye, Choisy-au-Bac, and Thourotte and rights to the inheritance of Vermandois and Valois.Hallam, 158. 1187: seizes Tournai from the bishop.Hallam, 158. confiscates Meulan, Gisors, and other castles.Hallam, 158. 1191: at the death of Philip of Alsace, Count of Flanders, the County of Artois and its dependencies, the inheritance of the queen Isabelle of Hainaut, are given to prince Louis. These areas would not become integrated into the royal domain until 1223 when Louis becomes king.Hallam, 158. 1191: the County of Vermandois is acquired by the king, after the death of Elisabeth of Vermandois, the inheritor of the County. Confirmed in 1213, by Eléonore of Vermandois sister of Elisabeth. Philip also gains Valois. 1200: the Norman Vexin is annexed 1200 the County of Évreux and Issoudun are annexed, in exchange for the king's recognition of John of England as king of England.Hallam, 158. 1204: confiscation of the Duchy of Normandy, the Touraine, Anjou, Saintonge and, temporarily, of the Poitou from John of England. 1208: La Ferté-Macé confiscated from Guillaume IV of Ferté-Macé 1220: the County of Alençon is reunited to the royal domain in the absence of a male heir to Count Robert IV (the county is sold by the vicomtesse of Châtellerault).

Reign of Louis VIII

1223: Philip Hurepel, half-brother of the king, received in appanage the Counties of Boulogne (Boulogne-sur-Mer), and of Clermont (Clermont-en-Beauvaisis), as well as the fiefs of Domfront, Mortain and Aumale. Poitou, Saintonge, Angoumois, Périgord and a part of the Bordelais were confiscated from the king of England. following the Albigensian Crusade (1209–1229) against the Cathars and the Count of Toulouse, the king annexed the County of Toulouse the heiress of which, Joan of Toulouse, married Alphonse, Count of Poitou, son of the king, in 1237. 1225: in his will, Louis grants the appanages of Artois and his mother's inheritance to his second son Robert; Poitou and Auvergne to his third son Alphonse; and Anjou and Maine to his fourth son John (due to John's death, these possessions would go to Louis' seventh son Charles).Hallam, 248.

Reign of Louis IX

1229: Raymond VII, Count of Toulouse cedes to the king the sénéchaussées of Nîmes–Beaucaire and of Béziers–Carcassonne (Treaty of Paris (1229)) 1237: the king confirms the appanage grant of the County of Artois for his brother Robert I of Artois. 1241: the king confirms the appanage grant of Poitou for his brother Alphonse, Count of Poitou. 1249: Alphonse, Count of Poitou, by right of his wife succeeds Raymond VII of Toulouse. 1255: the County of Beaumont-le-Roger is bought back from Raoul of Meulan. 1258: the king renounces the Roussillon and Catalonia; in exchange the king of Aragon renounces Provence and Languedoc (Treaty of Corbeil (1258)) 1259: seigneuries of Domfront and of Tinchebray acquired. 1259: the king gives to the king of England Henry III the Duchy of Aquitaine, and promises him Saintonge, Charente and Agenais in the case of the death without heir of the Count of Toulouse Alfonso of Poitiers (Treaty of Paris (1259)) 1268 the king gives the County of Alençon and Perche to his son Peter. the king grants as appanage the County of Valois to his son John Tristan and Clermont-en-Beauvaisis to his son Robert.Hallam, 248.

Reign of Philip III

1271: reversion of the County of Toulouse, Poitou and Auvergne, the Comtat Venaissin, appanages of Alfonso, Count of Poitou, to the royal domain 1274: purchase of the County of Nemours 1274: the king cedes half of the Comtat Venaissin to pope Gregory X 1283: Perche and the County of Alençon are inherited from the king's brother Pierre I of Alençon. 1284: purchase of the County of Chartres. the king makes appanage grants of Valois to his second son Charles and Beaumont-en-Oise to his third son Louis.Hallam, 250.

Reigns of Philip IV, the Fair and his sons

1284: marriage of Philip the Fair, the future king of France, with Queen Joan I of Navarre, Countess of Champagne. The County of Champagne is reunited to the royal domain (made official in 1361) 1285–1295: purchase of the County of Guînes from Count Arnould III who needed money to pay a ransom. 1286: purchase of the County of Chartres from Jeanne of Blois-Châtillon, widow of her uncle Pierre 1292: Ostrevant 1295: the king gives up a part of the County of Guines. as they reverted to the crown, Philip IV makes appanage grants of Alençon, Chartres and Perche to his brother Charles and Évreux to his brother Louis. By his marriage, Charles also acquires Maine and Anjou. To his sons, Philip gives the appanages of Poitiers to Philip, and La Marche and Angoulême to Charles.Hallam, 250. 1308: purchase of the County of Angoulême, of Fougères and of Lusignan from Yolande of Lusignan 1313: Confiscation of Tournai – which is however a land belonging to the Empire – from Marie de Mortagne. 1322: the County of Bigorre is incorporated into the royal domain at the crowning of the king Charles IV, who held it from his mother Joan I of Navarre

House of Valois

Reign of Philip VI of Valois

the appanages of the new king (Valois, Anjou, Maine, Chartres and Alençon) are reunited to the royal domain. 1336: conquest of the County of Ponthieu, given to the king of England in 1360. 1343–1349: the Dauphiné is sold to the kingdom of France by the Dauphin of Viennois 1349: purchase for the kingdom of France of the seigneurie of Montpellier from James III of Majorca, the dispossessed king of Majorca, for 120 000 écus.

Reign of John II

1350–1360: after the death of Raoul II of Brienne, Count of Guînes, and connétable of France (decapitated for treason), the County of Guînes is confiscated. It will be ceded to the English by the Treaty of Brétigny. 1360: by the Treaty of Brétigny, Aquitaine (1/3 of the kingdom) is given to the king of England, to obtain the release of the French king, prisoner since the Battle of Poitiers (1356). 1360: John, Duke of Berry receives the Duchy of Berry as appanage. He is also made Count of Poitiers (1357–1416), Count of Mâcon (c. 1360–1372), Count of Angoulême and Saintonge (bef. 1372–1374) and Count of Étampes (1399–1416). At his death, these lands return to the royal domain. He is also given the Duchy of Auvergne. 1361: the king gives Touraine in appanage to his son Philip. 1361: the king successfully claims the Duchy of Burgundy as the heir by proximity of blood.

Reign of Charles V

Thanks to Du Guesclin, the king recovers the Duchy of Aquitaine. 27 May 1364: the city of Montivilliers is detached from the County of Longueville and attached to the royal domain. 1364: Philip the Bold receives in appanage the Duchy of Burgundy