
thumb|Nature of Deylaman thumb|The historical region of Dailam on the Caspian Sea. The present-day Iranian provinces of Gilan (left) and Mazandaran (right) are highlighted in color. Daylam (), also known in the plural form Daylaman () (and variants such as Dailam, Deylam, and Deilam), was the name of a mountainous region of inland Gilan, Iran. It was so named for its inhabitants, known as the Daylamites.
thumb|Nature of Deylaman thumb|The historical region of Dailam on the Caspian Sea. The present-day Iranian provinces of Gilan (left) and Mazandaran (right) are highlighted in color. Daylam (), also known in the plural form Daylaman () (and variants such as Dailam, Deylam, and Deilam), was the name of a mountainous region of inland Gilan, Iran. It was so named for its inhabitants, known as the Daylamites.
The Church of the East established a metropolitan diocese for Daylam and Gilan around 790 under Shubhalisho.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).