The Semnani languages are a group of Northwestern Iranian languages, spoken in Semnan province of Iran that share many linguistic features and structures with Caspian languages. These languages are also called "dialects" in some sources.There are six Semnani languages named in the literature. Some may be dialects, but there is little published work on their relationships.SemnaniBiyabunakiSangsariSorkheiAftariLasgerdi↑ ↑ ↑ ↑