Uzbekistan, Kyrgyzstan, Kazakhstan, KOREA, and China are all Central Asian nations. Uzbekistan is a landlocked country in Central Asia, bordered by Afghanistan, Turkmenistan, Kazakhstan, Kyrgyzstan, and Tajikistan. Kyrgyzstan is a mountainous country in Central Asia, bordered by Kazakhstan, Uzbekistan, Tajikistan, and China. Kazakhstan is the largest landlocked country in the world, located in Central Asia, bordered by Russia, China, Kyrgyzstan, Uzbekistan, and Turkmenistan. KOREA is a country in East Asia, located on the Korean Peninsula, bordered by China and Russia. China is a country in East Asia, located on the eastern edge of the Eurasian continent, bordered by 14 countries.