Yelpin (/jɛlˈpiːn/; Armenian: Ելփին) is a village in the Areni Municipality of the Vayots Dzor Province in southwestern Armenia, located on the Armenia–Azerbaijan border.

13th-century Armenian historian Stephen Orbelian, in his book Patmutyun Sisakan (History of Sis) mentions Adopen, Khndzorut, Kechut, Chochanak, Chavadzor, Mokhrot and other historical places to be located in the administrative territory of Yelpin.

Following the old road to Aghavnadzor, remnants of the Geshin settlement can be found, with a famous cave nearby․ To the southeast of the village, there is the 14th-century sanctuary of Toukh Manuk and medieval Didivan monastery in Gndasar, preserved from the times of the Bagratuni dynasty.

There are numerous endemic and endangered plants registered in the national Red Book, such as Pragnos lophoptera, Seseli leptocladium (endemic), Cephalorrinhus kirpicznikovii, Hieracium pannosum, Steptorhamphus czerepanovii, Acanthophyllum pungens, Astragalus karakuschensis, Vicia cappadocica, Hipericum formosissimum, Crocus speciosus, Gladiolus atroviolaceus, Iris caucasicus, Iris pseudocaucasica, Juglans regia, Salvia grossheimii, Allium akkaka, Asphodeline dendroides, Secale vavilovii, and Triticum boeoticum.

The Red Book animals and birds are the following: Ursus arctos syriacus, Capra aegarus aegarus, Accipiter brevipes, Ciraetus gallicus gallicus, Lanius senator niloticus, Silvia hortensis crassirostris, Luscinia svecica accidentalis, Irania gutturalis, Sitta tephronota obscura, Tichodroma muraria, Carposiza brachidactyla, Eumeces schnederi, Mabuya aurata, and Vipera raddei.