Dedemli is in the rural area of Hadim district which is a part of Konya Province. Dedemli is on Toros Mountains, at an altitude of 1,350 m (4,430 ft). It is situated just at the west of headwaters of Göksu River and a few kilometers north of Korualan another mountain town. Midtown coordinates are 37°01′N 32°20′E. Dedemli is quite far from the main highways. The distances to Hadim is 20 km (12 mi) and to Konya is 146 km (91 mi). The population is 2088 as of 2011
According to legend, the town had been founded by a sheikh (Islamic scholar) named Bayram Seydi Veli from Khorosan in the 15th century. In fact the name of the town means with my grandfather where grandfather in this context, means sheikh. In 1968, the town was declared township.
Once known for its religious schools, Dedemli is now a typical agricultural town. The most important crop is cherry. Beekeeping is another important sector.