Urban
Yes, Moscow is an urban area. Moscow is the capital and the largest city of Russia. It is also the largest metropolitan area in Europe, and ranks among the largest urban areas in the world.
California has the largest number of urban units in the United States.
All the cities in South America except the city that does have the largest urban center.
By 1943, significant parts of the Soviet Union, particularly the territories in Western Ukraine, Belarus, and the Baltic States (including Lithuania, Latvia, and Estonia), experienced devastating losses of their Jewish populations due to the Nazi invasion and subsequent mass shootings. In these areas, Jewish communities faced systematic extermination, with many being murdered by Einsatzgruppen (mobile killing units) and local collaborators. The urban centers in these regions saw particularly high percentages of their Jewish populations killed, often exceeding 90%.
Singapore
Mumbai (formerly Bombay) is one of the largest cities in the world. Mumbai is urban.
Rio de Janeiro, for example, is not the largest urban center in the country it's located in, Brazil. Sao Paulo is actually the country's largest city.
Spain
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Houston is considered an urban city. It is the largest city in Texas and the fourth largest city in the United States by population. It is a major economic and cultural hub with a diverse population and a range of urban amenities.
With a population of about 130,000 Cairns, in far north Queensland, is the next largest urban centre in Queensland, after Brisbane.