Breakfast is extra, but there are plenty of cafes near by if you don't want to pay for a full buffet.
No, it;s not. You can buy a meal package or walk in to eat.
You can buy a package to include it, but otherwise it is not included.
If you book via some sights, check if breakfast is included. For me it was. I wouldn’t pay €16 (17?) for it, otherwise.
Get an answer from Hotel Odyssey by Elegancia staff and past guests.