Pendik's population increased from 370,000 to 520,000 and Pendik was not divided in the last New Districts Law of Istanbul. The district of Sultanbeyli and Ümraniye was divided into many districts. Kaynarca has put its candidacy to be a district (Turkish: ilçe) of Istanbul. Even, most of the population of Pendik stems from Kaynarca. The famous parts of Kaynarca that makes the candidacy stronger is:
The biggest state hospital of Turkey (Pendik Education and Research Hospital) has been constructed in Kaynarca.
The Formula 1 place (Istanbul Park) is in Kaynarca.