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 .
Ottoman EmpireThe Ottoman Empire, historically and colloquially known as the Turkish Empire, was an empire that controlled much of Southeast Europe, Western Asia, and Northern Africa between the 14th and early 20th centuries. It was founded at the end of the 13th century in northwestern Anatolia in the town of Söğüt (modern-day Bilecik Province) by the Turkoman tribal leader Osman I. After 1354, the Ottomans crossed into Europe and, with the conquest of the Balkans, the Ottoman beylik was transformed into a transcontinental empire.
Azerbaijani languageAzerbaijani (ˌæzərbaɪˈdʒæni,_-ɑːni ) or Azeri (æˈzɛəri,_ɑː-,_ə- ), also referred to as Azeri Turkic or Azeri Turkish, is a Turkic language from the Oghuz sub-branch spoken primarily by the Azerbaijani people, who live mainly in the Republic of Azerbaijan where the North Azerbaijani variety is spoken, and in the Azerbaijan region of Iran, where the South Azerbaijani variety is spoken. Although there is a very high degree of mutual intelligibility between both forms of Azerbaijani, there are significant differences in phonology, lexicon, morphology, syntax, and sources of loanwords.
TurkmenistanTurkmenistan (tɜːrkˈmɛnᵻstæn or ˌtɜːrkmɛnᵻˈstɑːn; Türkmenistan, tʏɾkmønʏˈθːɑːn) is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ashgabat is the capital and largest city. It is one of the six independent Turkic states. The population is about seven million (according to the 17 December 2022 Census) and is thus the lowest of the Central Asian republics, and Turkmenistan is one of the most sparsely populated nations in Asia.
Sasanian EmpireThe Sasanian Empire (səˈsɑːniən,_səˈseɪniən), officially known as Eranshahr ("Land/Empire of the Iranians"), was the last Iranian empire before the early Muslim conquests of the 7th–8th centuries AD. Named after the House of Sasan, it endured for over four centuries, from 224 to 651 AD, making it the longest-lived Persian imperial dynasty. The Sasanian Empire succeeded the Parthian Empire, and re-established the Persians as a major power in late antiquity alongside its neighbouring arch-rival, the Roman Empire (after 395 the Byzantine Empire).
Turkic peoplesThe Turkic peoples are a collection of diverse ethnic groups of West, Central, East, and North Asia as well as parts of Europe, who speak Turkic languages. According to historians and linguists, the Proto-Turkic language originated in Central-East Asia, potentially in Altai-Sayan region, Mongolia or Tuva. Initially, Proto-Turkic speakers were potentially both hunter-gatherers and farmers, but later became nomadic pastoralists.
AzerbaijanisAzerbaijanis (ˌæzərbaɪˈdʒæni,_-ɑːni; Azərbaycanlılar, آذربایجانلیلار), Azeris (Azərilər, آذریلر), or Azerbaijani Turks (Azərbaycan Türkləri, آذربایجان تۆرکلری) are a Turkic ethnic group living mainly in the Azerbaijan region of northwestern Iran and the Republic of Azerbaijan. They are predominantly Shia Muslims. They comprise the largest ethnic group in the Republic of Azerbaijan and the second-largest ethnic group in neighboring Iran and Georgia.
TbilisiTbilisi (təbɪˈliːsi,_təˈbɪlɪsi ; თბილისი, ˈthbilisi), in some languages still known by its pre-1936 name Tiflis (ˈtɪflɪs ), (tr) is the capital and the largest city of Georgia, lying on the banks of the Kura River with a population of around 1.2 million people. Tbilisi was founded in the fifth century AD by Vakhtang I of Iberia, and since then has served as the capital of various Georgian kingdoms and republics. Between 1801 and 1917, then part of the Russian Empire, Tiflis was the seat of the Caucasus Viceroyalty, governing both the northern and the southern parts of the Caucasus.
LankaranLankaran (Lənkəran, , Lankon) is a city in Azerbaijan, on the coast of the Caspian Sea, near the southern border with Iran. As of 2021, the city had a population of 89,300. It is next to, but independent of, Lankaran District. The city forms a distinct first-order division of Azerbaijan. The city is mostly populated by the Talysh people, and serves as the main urban centre of this people and its ethnic homeland, Talyshstan. The origin of the name "Lankaran" is uncertain.
Aras (river)The Aras (also known as the Araks, Arax, Araxes, or Araz) is a river in the Caucasus. It rises in eastern Turkey and flows along the borders between Turkey and Armenia, between Turkey and the Nakhchivan exclave of Azerbaijan, between Iran and both Azerbaijan and Armenia, and, finally, through Azerbaijan where it flows into the Kura river. It drains the south side of the Lesser Caucasus Mountains while the Kura drains the north side of the Lesser Caucasus. The river's total length is and its watershed covers an area of .