Asia:

GH Hong Kong

Rooms have what seems to be a dinner table instead of a desk. One chair is right beside the plugs but the chair isn't too comfortable for extending writing or emailing.

GH Seoul
All normal, deluxe, club rooms have an island that can act like a desk. The suites' desks are rather poor. The Grand suite's desk is like a bar and the Grand Executive's desk is more like an oversized coffee table. The chair is awful as well.

GH Jakarta
The Grand suite has a standalone desk in the living area.

GH Erawan Bangkok
The spa cottage has a standalone desk in the living room.

GH Tokyo
Grand Deluxe King had an island desk combo.

PH Busan
Not a bad set up in the normal Park, Park deluxe rooms.
Rooms have a chair that you can work on a long wall mounted island. Right side your plugs and telephone. It also acts as a TV stand in some Park rooms.

The suites are terrible for working. You'll be using the dinner table or the slim wall shelf.

PH Seoul
Only the Diplomatic and Presidential suites have a desk. The Park suites and rooms have a round table that may or may not be near the power plugs.

HR Kyoto
The first floor garden Regency suites don't have a desk. You can work at the giant tatami dining table ok. There's a plug right behind one of the seats near the telephone. Normal rooms have a wall mounted desk/island combo that the TV is placed on. The Deluxe rooms have standalone desks.

HR Tokyo
View deluxe King room had a desk island combo with the TV.

Andaz Tokyo
The Andaz Large has a long kind of coffee table with one chair. It's decent for working and eating on. The Andaz suite has a very large wooden table that you can work on.