Saarland (German: Saarland), formerly known as Saar (German: Saar), is a state in southwest Germany, with the capital of Saarbrü cken, bordering on Rhineland-Pfalcz, Lorraine and Luxemburg. Saarland, the above-mentioned regions and the Belgian Walloon Region are isomorphic into the Greater Salou Region to show the local characteristics of bilingual cultural exchanges between Germany and France. Saarland, with an area of only about 2,600 square kilometers, is the smallest state in Germany except Bremen, Hamburg and Berlin. The population is about 6.5438+0 million. The German Christian Democratic Union has been in power in this state since 1999, and the current prime minister is Peter Muller.