Isenburg-Offenbach was the name of a state of the
Holy Roman Empire
The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
, based around
Offenbach and
Neu Isenburg (built by the counts in 1699) in modern
Hesse
Hesse or Hessen ( ), officially the State of Hesse (), is a States of Germany, state in Germany. Its capital city is Wiesbaden, and the largest urban area is Frankfurt, which is also the country's principal financial centre. Two other major hist ...
, Germany. It was created as a partition of
Isenburg-Büdingen-Birstein in 1628. In 1711 the immediacy passed to
Isenburg-Birstein while the line was partitioned into
Isenburg-Eisenberg and
Isenburg-Philippseich.
{{coord missing, Hesse
Counties of the Holy Roman Empire
House of Isenburg