Tumbul is a village and municipality in the Nakhchivan city of Nakhchivan Autonomous Republic, Azerbaijan. It is located 5 km in the south from the city center, on the Nakhchivan plain. Its population is mainly busy with grape-growing. There are secondary school, club, library and a medical center in the village. It has a population of 1,595. The municipality consists of the villages of Tumbul and Haciniyyət.