Isenburg-Meerholz (or Ysenburg-Büdingen-Meerholz) was a County of southern

Hesse Hesse (, , ) or Hessia (, ; german: Hessen ), officially the State of Hessen (german: links=no, Land Hessen), is a States of Germany, state in Germany. Its capital city is Wiesbaden, and the largest urban area is Frankfurt. Two other major histor ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. It was created as a partition of

Isenburg-Büdingen Isenburg-Büdingen was a County of southern Hesse, Germany, located in Büdingen. It was originally a part of the County of Isenburg. There were two different Counties of the same name. The first (1341–1511) was a partition of Isenburg-Cleber ...

(or Ysenburg-Büdingen) in 1687 (''Third Main-Partition''), and was mediatised to Isenburg in 1806. In 2007, with the addition of Romania and Bulgaria, Meerholz (now a part of the former free town of Gelnhausen) became the European Union's new geographical center. 1790 Hoeck Karte Oberisenburg

Counts of Isenburg-Meerholz (1687-1806)

Counties of the Holy Roman Empire House of Isenburg States and territories established in 1673 1673 establishments in the Holy Roman Empire {{Germany-hist-stub