Lotharingia
（重定向自Lotharingian）
![](/Images/godic/202501/25/Lotharingia-959.svg1029.png")
![Threefold division of the Frankish empire by the Treaty of Verdun in 843, showing West Francia (pink), Middle Francia (green), and East Francia (yellow).](/Images/godic/202501/25/Partage_de_l'Empire_carolingien_au_Traité_de_Verdun_en_8431029.JPG")
![Territorial divisions from the Treaty of Verdun (843) to the Treaty of Meerssen (870).](/Images/godic/202501/25/843-870_Europe1029.jpg")
Lotharingia was a medieval successor kingdom of the Carolingian Empire, comprising the Low Countries, the western Rhineland, the lands today on the border between France and Germany, and what is now western Switzerland. It was named after King Lothair II.