Question: Asaria is the name of a family that moved through one of the largest cities in which region by population?

Context paragraphs:
Minneapolis–Saint Paul: Minneapolis–Saint Paul is a major metropolitan area built around the Mississippi, Minnesota and St. Croix rivers in east central Minnesota.  The area is commonly known as the Twin Cities after its two largest cities, Minneapolis, the city with the largest population in the state, and Saint Paul, the state capital.  It is an example of twin cities in the sense of geographical proximity.  Minnesotans living outside of Minneapolis and Saint Paul often refer to the two together (or the seven-county metro area collectively) as The Cities.

Budapest: Budapest (] ) is the capital and by far the most populous city of Hungary and one of the largest cities in the European Union.  With an estimated 2016 population of 1,759,407 distributed over a land area of about 525 km2 , Budapest is also one of the most densely populated major cities in the EU.  Budapest is both a city and county, and forms the centre of the Budapest metropolitan area, which has an area of 7,626 km2 and a population of 3,303,786, comprising 33 percent of the population of Hungary.  The Budapest metropolitan area had a GDP of $141.0 billion (€129.4 billion) in 2016, accounting for 49.6 percent of the GDP of Hungary.  GDP per capita in the city is $64,283, which means 148% of the EU average measured on purchasing power parity.  Thereby the city is among the top 100 GDP performing cities in the world

Asaria: Asaria is the surname of a large and notable family.  The family's origin can be traced back to Gujarat, India.  From there a large portion of them migrated to East Africa - namely to Mombasa, Kenya; Kampala, Uganda and to Dar es Salaam, Tanzania.

Districts of Punjab (Pakistan): Punjab is one of the four provinces of Pakistan. It is the largest province by population and second largest by land.  There are 36 districts in the province.  The provincial capital and largest city is Lahore which was the historical capital of the wider Punjab region. Largest cities in Punjab include Faisalabad, Rawalpindi, Gujranwala, Sargodha, Multan, Sialkot, Bahawalpur, Gujrat, Sheikhupura, Jhelum and Sahiwal.

Dar es Salaam: Dar es Salaam (from Arabic: دار السلام‎ ‎ "Dār as-Salām ", "the house of peace"; formerly Mzizima) is the former capital and largest city in Tanzania.  It is one of the largest cities in East Africa by population, as well as a regionally important economic centre.  Located on the Swahili coast, the city is one of the fastest growing cities in the world.

List of Latin American cities by population: This is a list of the fifty largest cities in Latin America by population residing within city limits as of 2015, the most recent year for which official population census results, estimates or short-term projections are available for most of these cities.  These figures do not reflect the population of the urban agglomeration or metropolitan area which typically do not coincide with the administrative boundaries of the city.  These figures refer to mid-2015 populations with the exception of Mexican cities, whose figures derive from the 2015 Intercensal Survey conducted by INEGI with a reference date of 15 March 2015.

List of cities in East Africa: The following is a list of the largest cities by population and of capital cities in the geographic region of East Africa.  Because population counts in each country occur at different times, the list of numbers is meant as a rough indicator of relative size.

Khobar: Al-Khobar (also spelled "Khobar" or "al-Khubar "; Arabic: الخبر‎ ‎ ) is a large city located in the Eastern Province of the Kingdom of Saudi Arabia on the coast of the Persian Gulf.  It is one of the largest cities in the Gulf Cooperation Council, with a population of 941,358 as of 2012.  Al Khobar, Dammam, and Dhahran are part of the Dammam metropolitan area, the 3rd largest metropolitan area in Saudi Arabia with an estimated population of over 4,100,000 as of 2012.  All three urban centers are served by the King Fahd International Airport which is the largest airport in the world, and King Abdul Aziz Port.  Together, they are often known as "The Triplet Cities" by many natives and locals.  Dammam, Dhahran and Al Khobar are less than 15 km apart and form one metropolitan area, the fifth largest in the kingdom and sixth in the Gulf Cooperation Council.

Largest cities in southern California: This is a list of the 100 largest cities in southern California by population.  Official definitions of cities are defined according to the concept of city proper.  The list ranks the region's urban municipal units (or well-defined statistical groupings of sudech units) according to the population.  Note that the populations listed are for the city proper and not for the urban area nor the metropolitan area.  Population figures for southern California cities are based on the reports of the 2010 United States Census.

Huntington-Ashland metropolitan area: The Huntington-Ashland metropolitan area is the largest metropolitan statistical area in West Virginia and includes seven counties across three states: West Virginia, Kentucky, and Ohio.  New definitions from February 28, 2013 placed the population at 361,580.  The MSA is nestled along the banks of the Ohio River within the Appalachian Plateau region.  The area is referred to locally as the Tri-State area, though it also referred to as Kyova, an acronym adjusted from the abbreviations of the three states.  In addition, the three largest cities (Huntington, West Virginia; Ashland, Kentucky; and Ironton, Ohio) are referred to as the River Cities.

Supporting paragraphs: Asaria Dar es Salaam
Answer: East Africa