Title: Sarai (city)
Content:  Sarai (also transcribed as Saraj or Saray, from Persian sarāi, "palace" or "court" ) was the name of two cities, which were successively capital cities of the Golden Horde, a Turco-Mongol kingdom which ruled much of Central Asia and Eastern Europe, in the 13th and 14th centuries.
Title: Siege of Sarai
Content:  The Siege of Sarai (July - August 1420) was a siege of Sarai, the nominal capital of the Golden Horde.
Title: Sarai, Ryazan Oblast
Content:  Sarai (Сараи) is an urban locality (an urban-type settlement) in Sarayevsky District of Ryazan Oblast, Russia. Population:
Title: Sarai (city)
Content:   "Old Sarai", or "Sarai Batu" or "Sarai-al-Maqrus" (al-Maqrus is Arabic for "the blessed") was established by Mongol ruler Batu Khan in the mid-1240s, on a site east of the Akhtuba river, near to the modern village of Selitrennoye. in Kharabalinsky District, Astrakhan Oblast, Russia, about 120 km north from Astrakhan. Sarai was the seat of Batu and his successor Berke. Under them Sarai was the capital of a great empire. The various Rus' princes came to Sarai to pledge allegiance to the Khan and receive his patent of authority (yarlyk).
Title: Sarai (city)
Content:   "New Sarai" or "Sarai Berke" (called Sarai-al-Jadid on coins) is believed to have been either at what is now Kolobovka (formerly Tsarev), an archeological site also on the Akhtuba channel 55 km east-southeast of Volzhsky, and about 180 km northwest of Old Sarai; or possibly on the site of Saqsin (which may itself have stood on the site of the Khazar capital, Atil). The bishops of Krutitsy resided in Tsarev from 1261 to 1454. It had probably succeeded Sarai Batu as the capital of the Golden Horde by the mid-14th century. Sarai was described by the famous traveller Ibn Battuta as "one of the most beautiful 
Title: Sarai (city)
Content:  Sarai Juk (Little Sarai) was a city on the Ural River. It is often conflated with the other Sarais in historical and modern accounts. This town was the main city of the Nogai Horde, one of the successors of the Golden Horde. Although sacked by the Ural Cossacks in 1580, it was later used as the headquarters by some Kazakh khans.
Title: Sarai metro station
Content:  Sarai is an elevated station on the Violet Line of the Delhi Metro. It is located between Badarpur and NHPC Chowk station on the line 6 in Faridabad district of Haryana.
Title: Sarai, Russia
Content: Urban localities ; Sarai, Ryazan Oblast, a work settlement in Sarayevsky District of Ryazan Oblast Rural localities ; Sarai, Altai Krai, a selo in Stukovsky Selsoviet of Pavlovsky District of Altai Krai ; Sarai, Rostov Oblast, a khutor in Azhinovskoye Rural Settlement of Bagayevsky District of Rostov Oblast Sarai (Сараи) is the name of several inhabited localities in Russia.  
Title: Sarai, Altai Krai
Content:  Sarai (Сараи) is a rural locality (a selo) in Stukovsky Selsoviet, Pavlovsky District, Altai Krai, Russia. The population was 410 as of 2013. There are 3 streets.
Title: Sarai Saleh
Content:  Sarai Saleh (سرائے صالح) is one of the 44 union councils (administrative subdivisions) of Haripur District in the Khyber Pakhtunkhwa province of Pakistan. Sarai Saleh is located 5 kilometers northeast of Haripur City and is 597 meters above sea level. It is a mostly green valley surrounded by hills covering an area of two to three square kilometers. It is situated on the main Hazara Road, close to the Dor River and is served by a 1928 train station. The main tribes of the town are Utmanzai and Dalazak. 

Question: What is Sarai the capital of?
Answer: Golden Horde.