Caviar sturgeon from the Sea of Azov began reaching the tables of aristocratic and noble Byzantine Greeks in the 10th century, after the commencement of large-scale trading between the Byzantine Empire and Kievan Rus'. The main types of caviar are Beluga, Sterlet, Kaluga hybrid, American osetra, Ossetra, Siberian sturgeon and Sevruga. The rarest and costliest is from beluga sturgeon that swim in the Caspian Sea, which is bordered by Iran, Kazakhstan, Russia, Turkmenistan, and Azerbaijan. Wild caviar production was suspended in Russia between 2008 and 2011 to allow wild stocks to replenish. Azerbaijan and Iran also allow the fishing of sturgeon
Types of municipalities in Quebec Types of municipalities in Quebec The following is a list of the types of local and supralocal territorial units in Quebec, including those used solely for statistical purposes, as defined by the Ministry of Municipal Affairs, Regions and Land Occupancy and compiled by the Institut de la statistique du Québec. Not included are the urban agglomerations of Quebec, which, although they group together multiple municipalities, exercise only what are ordinarily local municipal powers. A list of local municipal units in Quebec by regional county municipality can be found at List of municipalities in Quebec. All municipalities (except cities), whether township,