Idar-Oberstein is a city in the Rhineland-Palatinate (Rheinland-Pflaz) in Germany. It is The German Capital of Gemstone Industry. The city lies on the Nahe River, in the district of Birkenfeld.

Only 120 km south of Frankfurt, this quaint and picturesque German twin city is well regarded for the past 500 years as a premier gem cutting and trading center producing the most unique and unusual gem creations on the planet.

The 20.000 km² Rheinland-Pfalz with 4.000.000 inhabitants and capital Mainz belongs to one of the 5 regions in Europe with the highest quote of people working in the high tech-industry.

About 45 % of all production goods are exported. It is the highest percentage of all the German provinces.

About 20 % of the population work at companies with more than 500 people, multinationals as BASF, Opel and DaimlerChrysler.

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The Idar-Oberstein area was a source for agate and jasper (both semi-precious stones), and the gem and jewellery trade continues to flourish until today in Idar-Oberstein.

The German Army’s Artillery School (Artillerieschule) is located in Idar-Oberstein.
Baumholder, a United States military installation just south of Idar-Oberstein, was once the most largest concentration of American combat soldiers outside the U.S., and a large number of its junior officers live in Idar-Oberstein on the German economy.
Additionally, the small U.S. Army post of Strassburg Kaserne overlooks the city from the suburb of Algenrodt.

Idar-Oberstein and the BCIO Idar-Oberstein and the BCIO Idar-Oberstein and the BCIO Idar-Oberstein and the BCIO