Altıeylül is a municipality and district of Balıkesir Province, Turkey.[2] Its area is 956 km2,[3] and its population is 183,736 (2022).[1]
The district was established in 2012, when Balıkesir Province was declared a metropolitan municipality as a part of the 2013 Turkish local government reorganisation (Law no. 6360). Altıeylül was created out of the former Balıkesir central district, along with Karesi.[4][5] The name Altıeylül means "6 September", which was the date of recovery of Balıkesir during the Turkish War of Independence in 1922.
There are 94 neighbourhoods in Altıeylül District:[6]