He lives where it's called the mountain in the sky besides Bifrost

He needs less sleep than a bird;
he sees night as clear as day one thousand miles away from where he is;
he also hear the grass grow from the soil,
or the wool on the sheep and everything that can be heard.

He possesses the horn that is called the Gjallarhorn,
and they can hear him blowing the horn in all the homes.

Himinbjorg = Heimdall's palace.