Question: What does the name of the region where Firuzabad County is located mean?

full_context: Document 1: Iran: Tehran is the country's capital and largest city, as well as its leading cultural and economic center. Iran is a major regional and middle power, exerting considerable influence in international energy security and the world economy through its large reserves of fossil fuels, which include the largest natural gas supply in the world and the fourth-largest proven oil reserves. Iran's rich cultural legacy is reflected in part by its 19 UNESCO World Heritage Sites, the fourth-largest number in Asia and 12th-largest in the world.
Document 2: Anbarabad County: Anbarabad County () is a county in Kerman Province in Iran. The capital of the county is Anbarabad. At the 2006 census, the county's population was 113,751, in 23,858 families. The county is subdivided into three districts (bakhsh): the Central District, Esmaili District, and Jebalbarez-e Jonubi District. The county has three cities: Anbarabad, Mardehek & Dow Sari. In 2003, Anbarabad became recognized as a sub-provincial unit and separated from Jiroft County. The majority of the Anabarabad county are ethnic Persians and speak the Persian language.
Document 3: Shiraz: Shiraz has 71 bus lines with 50,000 buses. Iran's third Bus Rapid Transit opened in Shiraz in 2009 with two lines, and a further two planned to open in 2010. Service is free on 5 May, the day of the city.
Document 4: Firuzabad County: Firuzabad County () is a county in Fars Province in Iran. The capital of the county is Firuzabad. At the 2006 census, the county's population was 111,973, in 24,894 families. The county is subdivided into two districts: the Central District and Meymand District. The county has two cities: Firuzabad and Meymand.
Document 5: Kavar County: Kavar County () is a county in Fars Province in Iran. The capital of the county is Kavar. It was separated from Shiraz County in February 2011. At the 2006 census, the county's population was 72,423, in 15,570 families. The county has one city: Kavar. The county has one district (bakhsh): the Central District.
Document 6: Sarvestan County: Sarvestan County () is a county in Fars Province in Iran. The capital of the county is Sarvestan. At the 2006 census, the county's population was 34,452, in 8,308 families. The county is subdivided into two districts: the Central District and Kuhenjan District. The county has two cities: Sarvestan & Kuhenjan.
Document 7: Shiraz: Shiraz is the economic center of southern Iran. The second half of the 19th century witnessed certain economic developments that greatly changed the economy of Shiraz. The opening of the Suez Canal in 1869 allowed the extensive import into southern Iran of inexpensive European factory-made goods, either directly from Europe or via India. Farmers in unprecedented numbers began planting cash crops such as opium poppy, tobacco, and cotton. Many of these export crops passed through Shiraz on their way to the Persian Gulf. Iranian long-distance merchants from Fars developed marketing networks for these commodities, establishing trading houses in Bombay, Calcutta, Port Said, Istanbul and even Hong Kong.Shiraz's economic base is in its provincial products, which include grapes, citrus fruits, cotton and rice. Industries such as cement production, sugar, fertilizers, textile products, wood products, metalwork and rugs dominate. Shirāz also has a major oil refinery and is also a major center for Iran's electronic industries. 53% of Iran's electronic investment has been centered in Shiraz.
Document 8: Firuzabad-e Pain: Firuzabad-e Pain (, also Romanized as Fīrūzābād-e Pā’īn) is a village in Forumad Rural District, in the Central District of Meyami County, Semnan Province, Iran. At the 2006 census, its population was 398, in 120 families.
Document 9: Iran: Historically, Iran has been referred to as Persia by the West, due mainly to the writings of Greek historians who called Iran Persis (Greek: Περσίς), meaning "land of the Persians." As the most extensive interactions the Ancient Greeks had with any outsider was with the Persians, the term persisted, even long after the Persian rule in Greece. However, Persis (Old Persian: Pārśa; Modern Persian: Pārse) was originally referred to a region settled by Persians in the west shore of Lake Urmia, in the 9th century BC. The settlement was then shifted to the southern end of the Zagros Mountains, and is today defined as Fars Province.
Document 10: Sarbaz County: Sarbaz County () is a county in Sistan and Baluchestan Province in Iran. The capital of the county is Rasak. At the 2006 census, the county's population (including those portions later split off to form Mehrestan County) was 162,960, in 31,449 families; excluding those portions, the population was 150,890, in 29,094 families. The county is subdivided into three districts: the Central District, Pishin District, Parud District, and Sarbaz District. The county has three cities: Sarbaz, Pishin, and Rasak.
Document 11: Zarrin Dasht County: Zarrindasht County () is a county in Fars Province in Iran. The capital of the county is Hajjiabad. At the 2006 census, the county's population was 60,444, in 13,378 families. The county is subdivided into two districts: the Central District and Izadkhvast District. The county has three cities: Hajjiabad, Dobiran, and Shahr-e Pir.
Document 12: Islamic Azad University, Shahr-e-Rey Branch: The Islamic Azad University, Shahr-e-Rey Branch is situated in southern Tehran Province in Iran. It initially began working in Shahr Rey, the oldest part of Tehran.
Document 13: Shiraz: Shiraz ( (listen); Persian: شیراز‎, Šīrāz, [ʃiːˈrɒːz] (listen)) is the fifth-most-populous city of Iran and the capital of Fars Province (Old Persian as Pars). At the 2016 census, the population of the city was 1,869,001 and its built-up area with "Shahr-e Jadid-e Sadra" (Sadra New Town) was home to 1,565,572 inhabitants. Shiraz is located in the southwest of Iran on the "Rudkhaneye Khoshk" (The Dry River) seasonal river. It has a moderate climate and has been a regional trade center for over a thousand years. Shiraz is one of the oldest cities of ancient Persia.
Document 14: Mah-e Firuzan: Mah-e Firuzan (, also Romanized as Māh-e Fīrūzān; also known as Fīrūzān and Māh Parvīzān) is a village in Kaftarak Rural District, in the Central District of Shiraz County, Fars Province, Iran. At the 2006 census, its population was 498, in 134 families.
Document 15: Iran: Shiraz, with a population of around 1.4 million (2011 census), is the sixth major city of Iran. It is the capital of Fars Province, and was also a former capital of Iran. The area was greatly influenced by the Babylonian civilization, and after the emergence of the ancient Persians, soon came to be known as Persis. Persians were present in the region since the 9th century BC, and became rulers of a large empire under the reign of the Achaemenid Dynasty in the 6th century BC. The ruins of Persepolis and Pasargadae, two of the four capitals of the Achaemenid Empire, are located around the modern-day city of Shiraz.
ground_truth: Old Persian as Pars
sub_queries: Firuzabad County >> located in the administrative territorial entity Answer: Fars Province
What does Fars Province mean? Answer: Old Persian as Pars