Question: are oahu and honolulu on the same island?
Answer: One can find Honolulu on the island of Oahu. Honolulu is Hawaii's largest city. ... Honolulu covers an area from the southeast end of Oahu, south of the Ko'olau Mountain Range, to the east end of Pearl Harbor. Honolulu county encompasses not only the city of Honolulu, but also the entire island of Oahu.