Which is the largest and most populous city in the region with the national anthem Hoyamal?
Dubai Dubai ( ; Arabic: دبي‎ ‎ "Dubayy ", ] ) is the largest and most populous city in the United Arab Emirates (UAE). It is located on the southeast coast of the Persian Gulf and is the capital of the Emirate of Dubai, one of the seven emirates that make up the country. Abu Dhabi and Dubai are the only two emirates to have veto power over critical matters of national importance in the country's Federal Supreme Council. The city of Dubai is located on the emirate's northern coastline and heads the Dubai-Sharjah-Ajman metropolitan area. Dubai will host World Expo 2020.
Oyama, Tochigi Oyama (小山市 , Oyama-shi ) is a city located in Tochigi Prefecture, in the northern Kantō region of Japan. As of May 2015, the city had an estimated population of 165,852 and a population density of 966 persons per km. Its total area was 171.76  km. In 2006, Oyama became the second most populous city in Tochigi Prefecture, with the capital Utsunomiya retaining the number one spot.