Lotharingia was a medieval successor kingdom of the Carolingian Empire. It comprised present-day Lorraine (France), Luxembourg, Saarland (Germany), Netherlands
The Duchy of Lower Lotharingia, also called Northern Lotharingia, Lower Lorraine or Northern Lorraine (and also referred to as Lothier or Lottier in titles)
and subsequently were named Lotharingia. After he died in 869, Lotharingia was partitioned, into Upper and Lower Lotharingia, the latter comprising the