Karamahmutlu is a village in Bor District, in Niğde Province, Türkiye. Karamahmutlu lies at 1,250 m above sea level, 3.2 km from the Pozantı Dağı mountains. It has 189 inhabitants. The nearest city is Bor, 10.7 km to the northwest. Among the landmarks around are Tyana (10.7 km), Niğde Alaaddin Mosque (15.6 km) and Faustinopolis (20 km). Among the natural features are Kolsuz Pass (22 km).