The city of Białystok is divided into 28 administrative units (Osiedla). The first 27 of these were created on October 25, 2004. The 28th, Dojlidy Górne, was created on October 23, 2006, out of three settlements which had been incorporated into the city: Dojlidy Górne, Kolonia Halickie, and Zagórki.