This is the Cambaz Kadı Türbesi in the Fenari neighbourhood, a türbe for Abdurrahman Efendi, from the time of Karamanoğlu Ibrahim II Bey (1424-1464), the sixteenth bey of Karaman.

This Cambaz Kadı (Judge Cambaz) was a relative of Ibrahim II.
In contrast with most Karamanoğlu buildings, the style of this tomb is no longer Seljuk, but assumes some Ottoman airs.

Correspondent: J.M.Criel, Antwerpen.
Source: ‘Karaman (Tarihi ve Kültürü)’ (Ilhan Temizsoy & M. Vehbi Uysal) – Konya 1981.