Andijan, also spelt Andijon and formerly romanized as Andizhan, is a city in Uzbekistan. It is the administrative, economic, and cultural center of Andijan Region. Andijan is a district-level city with an area of 74 km2 (29 sq mi). Andijan is the most densely populated city with density of 10,000 people/km2 and it had 747,800 inhabitants in 2024. Andijan is located in a tense border region at the south-eastern edge of the Fergana Valley near Uzbekistan's border with Kyrgyzstan.