Historically, Limburg was located in the Electorate of Trier (German: Kurtrier). Today, it is located in the German State of Rheinland-Pfalz.
Names
Limburg an der Lahn, Kr. Limburg-Weilburg, Rheinland-Pfalz
Surnames
Panorama of Limburg an der Lahn (ca. 1900).
Source: Wikipedia Commons.