Mahmutlu (Kurdish: Serebiye)[2] is a village in the Silopi District of Şırnak Province in Turkey.

[3] The village is populated by Kurds of the Tayan tribe and had a population of 1,016 in 2023.

[1][2] The hamlet of Otludere is attached to Mahmutlu.

[3] Population history from 2007 to 2023:[1]