The Australian actor, who met and started dating the Disney star on the sets of 'The Last Song' in 2009, says Cyrus makes him feel at home in Hollywood, reported Men's Health magazine.
The couple got engaged in May this year.
"She's an extremely strong, intelligent, supportive person," Hemsworth said.
The 22-year-old actor fronts the magazine, posing in a sharp suit and black T-shirt and talking about his love of surfing and boxing.
The actor is currently in Philadelphia where he is filming his new movie 'Paranoia'.
