Sandñklñ is a town of Afyonkarahisar Province in the Aegean region of Turkey. It is the seat of Sandñklñ District. Its population is 54,851 (2024). Adnan ÃÂztaà  was elected from the AK Party in the 2024 Turkish Local Elections.
Sandñklñ is famed for its marble quarries, its dairy cream kaymak, and its Turkish delight. People also come from all over Turkey to bathe in the hot springs and natural mud baths in the district.
From 1867 until 1922, Sandñklñ was part of the Hüdavendigâr vilayet of the Ottoman Empire.