Question: Information: - Iran (, also , ; ' ), also known as Persia, officially the Islamic Republic of Iran (' ), is a sovereign state in Western Asia. It is bordered to the northwest by Armenia, the "de facto" Nagorno-Karabakh Republic, and Azerbaijan; to the north by the Caspian Sea; to the northeast by Turkmenistan; to the east by Afghanistan and Pakistan; to the south by the Persian Gulf and the Gulf of Oman; and to the west by Turkey and Iraq. Comprising a land area of , it is the second-largest country in the Middle East and the 18th-largest in the world. With 82.8 million inhabitants, Iran is the world's 17th-most-populous country. It is the only country with both a Caspian Sea and an Indian Ocean coastline. The country's central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz, make it of great geostrategic importance. Tehran is the country's capital and largest city, as well as its leading economic center. - Taleqan (also Romanized as leqn) is a city in the capital of Taleqan County, Alborz Province, Iran. - Kelardasht (also Romanized as Kalrdasht) is a city in and the capital of Kelardasht District, in Chalus County, Mazandaran Province, Iran. At the 2006 census, its population was 11,921, in 3,361 families. - Takht - e Soleyman Massif ( Persian : ) is a subrange of central Alborz mountains . In the area , about 160 distinct peaks higher than 4,000m are distinguishable , with the highest , most famous , and most technical one : Alam Kuh , 4,850m . The area can be captured inside a rectangle of 30 km width and 40 km length . The massif is limited to Taleqan valley from south , Kelardasht green plane from east , Abbas Abad rain forest & thick vegetated hills / slopes at north , and Shahsavar rain forests and Se Hezar valley at west . - Chalus County is a county in Mazandaran Province in Iran. The capital of the county is Chalus. At the 2006 census, the county's population was 119,559, in 33,193 families. The county is subdivided into two districts: the Central District and Kelardasht District. The county has three cities: Chalus, Kelardasht, and Marzanabad. - Mazandaran Province , ("Ostn-e Mzandarn/Ostane Mazandaran"), is an Iranian province located along the southern coast of the Caspian Sea and in the adjacent Central Alborz mountain range, in central-northern Iran. Given the information, choose the subject and object entities that have the relation of 'instance of'.
Answer:
takht-e suleyman massif , mountain range