Erm, my bike is in the hotel foyer (I THINK). I've not left the room yet today, so it should still be there.
No worries about leaving it if I have all my gear with me. Otherwise I just lock it to something secured to the ground and take my all important handle bar bag with me all the time.
If you are worried about it when going into shops or something always make a small scene when locking it up so that people see it is you who the bike belongs to. It seems to work for me. On more than one occasion I've come back to find someone guarding it for me while i've been away.
Otherwise the bike stays in sight. buy hey, even when I look at my bike I wonder how it has managed to get so far, and if it looks that bad then no ones going to steal it