Which mountain range forms an arc that stretches from the Czech Republic inj the northwest to the border of Romania and Serbia in the south ?
Carpathian Mountains in Europe after Russia, totaling 250,000 hectares (65%), most of them in the Carpathians, with the Southern Carpathians constituting Europe's largest unfragmented forested area. The Carpathians consist of a chain of mountain ranges that stretch in an arc from the Czech Republic (3%) in the northwest through Slovakia (17%), Poland (10%), Hungary (4%) and Ukraine (10%) Serbia (5%) and Romania (50%) in the southeast. The highest range within the Carpathians is the Tatras, on the border of Slovakia and Poland, where the highest peaks exceed . The second-highest range is the Southern Carpathians in Romania, where the highest peaks exceed
Czech Republic–Germany border Czech Republic–Germany border The Czech Republic–Germany border is the international border between the Czech Republic and Germany. It forms a arc extending from Austria at the south to Poland at the north. Several rivers cross this border, or form portions of it. These include: The border comes from the old border between German Empire and the Austrian Empire. In the period 1945-1990, the border formed part of the Iron curtain and was heavily fenced and strictly guarded. The Czech Republic joined the Schengen Area in 2007. This meant that all passport checks were removed along the border in December 2007.