Xmas 2011was an event in Habbo Hotel.
The first quest appeared on Haboo on 24 November and snowflake furni was added to the catelog before being taken away the following day. The snowflakes collected by players at that point became available to spend again when the main Christmas events began on 1 December.
Xmas Village Rooms
These are a series of rooms connected by teleporters to create a giant world. Most of the holiday events will be happening within this 'mini-world' sulake has created. You can enter the main room by searching 'WinterVillage' in the Rooms console.
Here is a map of the rooms and all the bts listed.