Hi American friends. I guess wuhan means 武漢-武汉..
(It's a same letter, first one is traditional Chinese(繁體) and second one is simplified Chinese(简体))
and in Asia, Many peoples reads/pronounce same letter differently...
Chinese: wuhan, wuxan or wusan
Korean: muhan
Japanese: bukan... (and in Korea, Bukhan means North Korea)
all same letter but different accent & intonation. It's not an easy job to learn Asian Language haha!