Azerbaijan, officially the Republic of Azerbaijan, is the largest country in the Caucasus region of Eurasia. Known for its wealth of crude oil and natural gas reserves, Azerbaijan is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west, and Iran to the south. The exclave of Nakhchivan is bounded by Armenia to the north and east, Iran to the south and west, while having a short boardline with Turkey to the northwest. At 86.6 thousand square km (33,436 thousand square miles) in total and a population of around 9.4 million, Azerbaijan, with its strategic geopolitical location, has been at the crossroads of several civilizations over the centuries. Known to have the majority of the climate zones, the country is home to rich and diverse fauna and flora, which are also reflected in the richness of the national cuisine.