Central Asia peoples of the vast region. Central Asia is sometimes referred to as Turkestan. There are several places that claim to be the geographic center of Asia, for example Kyzyl, the capital of Tuva in the Russian Federation, and a village north of Ürümqi, the capital of the Xinjiang region of China. Central Asia is an extremely large region of varied geography, including high passes and mountains (Tian Shan), vast deserts (Kyzyl Kum, Taklamakan), and especially treeless, grassy steppes. The vast steppe areas of Central Asia are considered together with the steppes of Eastern Europe as a homogeneous geographical zone known
Northern Catalonia France by Spain. The equivalent term in French, "Catalogne Nord", is used nowadays, although less often than the more politically neutral Roussillon (the French word for ). Sometimes the term French Catalonia can also be used. Northern Catalonia forms a triangle between the Pyrenees to the south, the Corbières to the north-west and the Mediterranean Sea to the east. The Roussillon plain in the east, by far the most populated area, is formed by the flood plains of the Tech, Têt and Agly rivers (). The districts of Vallespir and Conflent cover the upper valleys of the Tech and the