HyrcaniaHyrcania (hərˈkeɪniə) (Ὑρκανία Hyrkania, Old Persian: 𐎺𐎼𐎣𐎠𐎴 Varkâna, Middle Persian: 𐭢𐭥𐭫𐭢𐭠𐭭 Gurgān, Akkadian: Urqananu) is a historical region composed of the land south-east of the Caspian Sea in modern-day Iran and Turkmenistan, bound in the south by the Alborz mountain range and the Kopet Dag in the east. The region served as a satrapy (province) of the Median Empire, a sub-province of the Achaemenid Empire, and a province within its successors, the Seleucid, Arsacid and Sasanian empires.
MazyarMazyar (Middle Persian: Māh-Izād; Mazandarani/Māzyār) was an Iranian prince from the Qarinvand dynasty, who was the ruler (ispahbadh) of the mountainous region of Tabaristan from 825/6 to 839. For his resistance to the Abbasid Caliphate, Mazyar is considered one of the national heroes of Iran by twentieth-century Iranian nationalist historiography. His name means "protected by the yazata of the moon". Mazyar belonged to the Qarinvand dynasty, which was descended from Sukhra, a powerful magnate from the House of Karen, who was the de facto ruler of the Sasanian Empire from 484 to 493.
Caspian tigerThe Caspian tiger was a Panthera tigris tigris population native to eastern Turkey, northern Iran, Mesopotamia, the Caucasus around the Caspian Sea, Central Asia to northern Afghanistan and the Xinjiang region in western China. Until the Middle Ages, it was also present in southern Russia. It inhabited sparse forests and riverine corridors in this region until the 1970s. This population was regarded as a distinct subspecies and assessed as extinct in 2003.
Humid subtropical climateA humid subtropical climate is a temperate climate type characterized by hot and humid summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between latitudes 25° and 40° and are located poleward from adjacent tropical climates. It is also known as warm temperate climate in some climate classifications. Under the Köppen climate classification, Cfa and Cwa climates are either described as humid subtropical climates or warm temperate climates.
Caspian SeaThe Caspian Sea is the world's largest inland body of water, often described as the world's largest lake or a full-fledged sea. An endorheic basin, it lies between Europe and Asia: east of the Caucasus, west of the broad steppe of Central Asia, south of the fertile plains of Southern Russia in Eastern Europe, and north of the mountainous Iranian Plateau of West Asia. It covers a surface area of (excluding the highly saline lagoon of Garabogazköl to its east), an area approximately equal to that of Japan, with a volume of .
Samanid EmpireThe Samanid Empire (Sāmāniyān), also known as the Samanian Empire, Samanid dynasty, Samanid amirate, or simply as the Samanids, was a Persianate Sunni Muslim empire, of Iranian dehqan origin. The empire was centred in Khorasan and Transoxiana; at its greatest extent encompassing Persia and Central Asia, from 819 to 999. Four brothers—Nuh, Ahmad, Yahya, and Ilyas—founded the Samanid state. Each of them ruled territories under Abbasid suzerainty.