The Caviar of Kladovo (Serbian Cyrillic: Кладовски кавијар) was a type of caviar produced in eastern Serbia. It was named after the town of Kladovo, central town in the Serbian part of the Danube's Iron Gates Gorge between Serbia and Romania. Made from various fishes' roe, the caviar was granted the protected geographic designation decades ago, and was considered an expensive delicacy, which was even served on the RMS Titanic. With the construction of large dams in 1972 (Iron Gate I Hydroelectric Power Station) and 1984 (Iron Gate II Hydroelectric Power Station), jointly by two states. the fishes migrating from the Black Sea upstream the Danube were prevented from reaching their old spawning areas and the production of the caviar was discontinued in the 21st century.