The H is silent in Austrian-Spanish.
A number of English and French speakers will drop their H’s.
Conversely, I’ve heard British people pronounce “HMS” with the H, i.e. “haytch em ess”. Sounds very odd to my American ears.
Not all British people accept that pronunciation. I highly recommend this sketch:
https://www.youtube.com/watch?v=-gKeQHfgZns
They speak Spanish in Austria?
They have to; the Kangaroos only understand Spanish sadly.
https://www.imdb.com/name/nm0000216/