What prefecture was Itaru Oki born in?
Itaru Oki Itaru Oki (born September 10, 1941, Kobe) is a Japanese jazz trumpeter and flugelhornist.
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.