Kazakhstan,Kyrgyzstan,Tajikistan,Afghanistan,and Turkmenistan.
Turkmenistan and Afghanista
Until 1991, Russia and Central Asia were part of the Soviet Union, officially known as the Union of Soviet Socialist Republics (USSR). The USSR was a federation of multiple republics, including Russia and several Central Asian countries such as Kazakhstan, Uzbekistan, Turkmenistan, Kyrgyzstan, and Tajikistan. The Soviet Union dissolved in December 1991, leading to the independence of its constituent republics.
There is no country that borders all three countries.
Central Asian countries used to be part of the Union of Soviet Socialist Republics, whose capital was Moscow.
North Asia.
What are the key issues facing the countries in Central Asia and Caucasus Republic's/
What are the key issues facing the countries in Central Asia and Caucasus Republic's/
Look at a map, and you will see several Asian countries (western Asian, not 'Central'?), most of which are republics, which just about qualify for 'extending into Eastern Europe', but I wouldn't really have said that of any of them. In the 11th century, the Mongol Empire of the later Khans (after Genghis Khan) stretched from China considerably into the fringes of Eastern Europe.
Central Asia
Central Asia is made up of five independent republics, Kazakhstan, Kyrgyzstan, Uzbekistan, Turkmenistan and Tajikistan. Uzbekistan has the largest population.
the caribbean sea
The Ural Mountains is located in Russia. It's a natural border between the two continents, dividing Europe from Asia and the other way around. Asia occupies Siberia and the Russian Far East in North Asia (the large part of Russia east of the Ural Mountains).