Wanaka is in the South Island of New Zealand. Here is a link to show you about the South Island: South Island, New Zealand.
Here is a picture of Roys Peak overlooking Lake Wanaka:
Here is a photo of the famous Lake Wanaka Tree:
My three favourite things to do in Wanaka are:
If you want to see for yourself, here is a link to their wesbite: Lake Wanaka, New Zealand!