Title: Deir ez-Zor offensive (January–February 2017)
Content:  Deir ez-Zor is the capital of Deir ez-Zor Governorate and lies in an oil-rich region. The city was besieged by ISIL since January 2015 when ISIL severed all land routes to the city. An estimated 100,000 civilians were besieged in the government-controlled areas.
Title: Deir ez-Zor Governorate
Content:  Deir ez-Zor Governorate (مُحافظة دير الزور / ALA-LC: Muḥāfaẓat Dayr az-Zawr) is one of the fourteen governorates (provinces) of Syria. It is situated in eastern Syria, bordering Iraq. It has an area of 33,060 km2 (12,760 sq mi) and a population of 1,239,000 (2011 estimate). The capital is Deir ez-Zor. It is divided roughly equally from northwest to southeast by the Euphrates. Most of the territory on the river's left bank is part of the Autonomous Administration of North and East Syria, while that on the right bank is controlled by the Syrian government.
Title: Deir ez-Zor
Content:  Deir ez-Zor (دَيْرُ ٱلزَّوْرِ \ دَيْرُ ٱلزُّورِ; Syriac: ܕܝܪܐ ܙܥܘܪܬܐ, romanized: Dayrāʾ Zəʿōrtāʾ) is the largest city in eastern Syria and the seventh largest in the country. Located 450 km to the northeast of the capital Damascus on the banks of the Euphrates River, Deir ez-Zor is the capital of the Deir ez-Zor Governorate. In the 2018 census, it had a population of 271,800 people.
Title: Deir ez-Zor District
Content:  Deir ez-Zor District is a district of the Deir ez-Zor Governorate in northeastern Syria. The administrative centre is the city of Deir ez-Zor. At the 2004 census, the district had a population of 492,434.
Title: Deir ez-Zor Airport
Content:  Deir ez-Zor Airport (مطار دير الزور) is an airport serving Deir ez-Zor, a city in northeastern Syria.
Title: Deir ez-Zor Governorate
Content: Deir ez-Zor District (7 sub-districts) ; Deir ez-Zor Subdistrict ; Al-Kasrah Subdistrict ; Al-Busayrah Subdistrict ; Al-Muhasan Subdistrict ; Al-Tabni Subdistrict ; Khasham Subdistrict ; Al-Suwar Subdistrict Abu Kamal District (4 sub-districts) ; Abu Kamal Subdistrict ; Hajin Subdistrict ; Al-Jalaa Subdistrict ; Al-Susah Subdistric ; Mayadin District (3 sub-districts) ; Mayadin Subdistrict ; Diban Subdistrict ; Al-Asharah Subdistrict The governorate is divided into three districts (manatiq). The districts are further divided into 14 sub-districts (nawahi):  
Title: Deir ez-Zor Museum
Content:  The Deir ez-Zor Museum (متحف دير الزور) is a museum devoted to the archaeology and history of northeastern Syria, an area more commonly known as the Jezirah, or Upper Mesopotamia. The museum is located in Deir ez-Zor, the capital of Deir ez-Zor Governorate, Syria. It was founded in 1974 and housed in a gallery of a shopping mall. Between 1983 and 1996, it was located in an old law court built in 1930. In 1996, the museum moved to its current location in a building that had been especially designed for the museum. The exhibition halls cover an area of 1600 m2 and are arranged around a courtyard. The construction of 
Title: Deir ez-Zor Governorate
Content:  and villages on the route from Abu Kamal to Al-Bab, passing through Raqa province, were now under ISIL control. Only the provincial capital, which shares the same name as the province, and the military airport were not under ISIL control. The city of Deir ez-Zor was split between President Bashar al-Assad's forces and an amalgam of rebel groups. In 2014 ISIL forces massacred an estimated 900 members of the Al-Shaitat tribe in the governorate, following resistance to the group's control of the area. In early 2016, the forces of the Syrian Democratic Forces entered the governorate following the Al-Shaddadi offensive. Up until 
Title: Deir ez-Zor
Content:  Deir ez-Zor is home to the third Armenian diplomatic mission in Syria; the Honorary Consulate of Armenia, opened on 11 February 2010. Deir ez-Zor Airport is an under-developed domestic and international terminal and important hub mostly connecting with Damascus and destinations in the Persian Gulf region.
Title: Deir ez-Zor offensive (September–November 2017)
Content:  The Deir ez-Zor offensive was a military operation launched by the Syrian Armed Forces to completely expel the Islamic State of Iraq and the Levant (ISIL) from the city of Deir ez-Zor, a provincial capital, located on the banks of the Euphrates river. From 2014 until 2017, the city had been divided into Syrian government and ISIL-controlled halves. The rest of the Governorate (province) was under ISIL control for most of this time, putting the government-controlled half of the city under siege. In the summer of 2017, the Syrian Army launched a large-scale offensive in central Syria, where they succeeded in lifting the siege and began offensive operations to capture the rest of the city, as well as the surrounding areas.

Question: What is the capital of Deir ez-Zor Governorate?
Answer: Deir ez-Zor.
Deir Ezzor.
Deir Al-Zor.
Dayr Al-Zawr.
Der Ezzor.