Usak is a locality located 327.58 km east-northeast from Ankara in Usak Province, Turkey. The population of Usak is 252,044 people. Afyonkarahisar, Alasehir, Denizli are located close to Usak. You can find Usak on any map using the following decimal coordinates: 38.6833 (latitude), 29.4 (longitude).