Apparently there is 1 Subway restaurant in Vietnam. You can go there to get an idea of what a hoagie roll is. Also make sure the steak is in strips. I ordered a

Apparently there is 1 Subway restaurant in Vietnam. You can go there to get an idea of what a hoagie roll is. Also make sure the steak is in strips. I ordered a cheesesteak in Helsinki recently and they used cubes of steak. It was weird.