Sakarya Province is one of the major cities of Turkey with its historical nature, geographical location and conditions, with the developing sectors as industry, agriculture and service.
The province is vulnerable to human settlements since BC XII. Phrygia Age firstly and continued with Bithynia, Cimmerians, Lydians, Persians, Romans, Byzantines and Ottomans one after another. Sakarya entered into the Ottoman domination and than into the Seljuks domination. At that time, the name of Sakarya was called Adapazarı and Adapazarı Municipality was established in 1868. The province’s name has changed and been Sakarya from 22 June 1954. The Municipality gained the status of metropolitan municipality on 6 March 2000.