Kata Tjuta, sometimes written Tjuṯa , and also known as Mount Olga , are a group of large domed rock formations or bornhardts located about southwest of Alice Springs, in the southern part of the Northern Territory, central Australia. Uluru, to the east, and Kata Tjuta form the two major landmarks within the Uluru-Kata Tjuta National Park.The 36 domes that make up Kata Tjuta cover an area of, are composed of conglomerate, a sedimentary rock consisting of cobbles and boulders of varying rock types including granite and basalt, cemented by a matrix of sandstone.The highest point, Mount Olga, is above sea level, or approximately above the surrounding plain. Kata Tjuta is located at the eastern end of the Docker River Road.NameThe alternative name, The Olgas, comes from the tallest peak, Mt. Olga. At the behest of Baron Ferdinand von Mueller, Mt. Olga was named in 1872 by Ernest Giles, in honour of Queen Olga of Württemberg (born Grand Duchess Olga of Russia, daughter of Tsar Nicholas I). She and her husband King Charles I of Wurttemberg had marked their 25th wedding anniversary the previous year by, amongst other things, naming Mueller a Freiherr (baron), making him Ferdinand von Mueller; this was his way of repaying the compliment.