Andijan Region 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 4,300 km². The population is estimated to be around 3,253,528 as of 2022, thus making Andijan Region the most densely populated region of Uzbekiā¦Andijan Region 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 4,300 km². The population is estimated to be around 3,253,528 as of 2022, thus making Andijan Region the most densely populated region of Uzbekistan.