The Gilani people or Gilaks (Gilaki:گیلک) are an Iranian people native to the northern Iran province of Gilan. Gilaks, along with the closely related Mazandarani people, comprise part of the Caspian people, who inhabit the southern and southwestern coastal regions of the Caspian Sea.They speak the Gilaki language, which is closely related to Mazandarani. The Mazandarani people once called their language Geleki or Gilaki, but now call it Mazani or Mazandarani, from the name of their province.