Andijan Region (Uzbek: Andijon viloyati / Андижон вилояти) is a region of Uzbekistan, located in the eastern part of the Fergana Valley in far eastern Uzbekistan. It borders with Kyrgyzstan, Fergana Region and Namangan Region. It covers an area of 4,200 km2. The population is estimated to be around 2,756,400 thus making Andijan Region the most densely populated region of Uzbekistan.