diff --git a/data/nz.yaml b/data/nz.yaml
index 2b461ef..ef452cf 100644
--- a/data/nz.yaml
+++ b/data/nz.yaml
@@ -44,7 +44,7 @@ months:
     mday: 1
     observed: closest_monday
   - name: Waitangi Day
-    regions: [au]
+    regions: [nz]
     mday: 6
   3:
   - name: Otago Anniversary Day
@@ -57,7 +57,7 @@ months:
     wday: 1
   4:
   - name: ANZAC Day
-    regions: [au]
+    regions: [nz]
     mday: 25
   6:
   - name: Queen's Birthday
@@ -109,7 +109,7 @@ months:
 tests: |
     {Date.civil(2007,1,1) => 'New Year\'s Day',
      Date.civil(2007,1,2) => 'Day after New Year\'s Day',
-     Date.civil(2007,2,6) => 'Waitangi',
+     Date.civil(2007,2,6) => 'Waitangi Day',
      Date.civil(2007,4,6) => 'Good Friday',
      Date.civil(2007,4,9) => 'Easter Monday',
      Date.civil(2007,4,25) => 'ANZAC Day',
diff --git a/lib/holidays/nz.rb b/lib/holidays/nz.rb
index 6a1d5d9..3e61468 100644
--- a/lib/holidays/nz.rb
+++ b/lib/holidays/nz.rb
@@ -12,7 +12,7 @@ module Holidays
   #
   # More definitions are available at http://code.dunae.ca/holidays.
   module NZ # :nodoc:
-    DEFINED_REGIONS = [:nz_ca, :nz_ch, :nz, :nz_wl, :nz_sl, :nz_we, :nz_ak, :nz_nl, :au, :nz_ot, :nz_sc, :nz_hb, :nz_mb]
+    DEFINED_REGIONS = [:nz_ca, :nz_ch, :nz, :nz_wl, :nz_sl, :nz_we, :nz_ak, :nz_nl, :nz_ot, :nz_sc, :nz_hb, :nz_mb]
 
     HOLIDAYS_BY_MONTH = {
       0 => [{:function => lambda { |year| Holidays.easter(year)-2 }, :function_id => "easter(year)-2", :name => "Good Friday", :regions => [:nz]},
@@ -31,11 +31,11 @@ module Holidays
             {:mday => 25, :observed => lambda { |date| Holidays.to_monday_if_weekend(date) }, :observed_id => "to_monday_if_weekend", :name => "Christmas Day", :regions => [:nz]},
             {:mday => 26, :observed => lambda { |date| Holidays.to_weekday_if_boxing_weekend(date) }, :observed_id => "to_weekday_if_boxing_weekend", :name => "Boxing Day", :regions => [:nz]}],
       2 => [{:mday => 1, :observed => lambda { |date| Holidays.closest_monday(date) }, :observed_id => "closest_monday", :name => "Nelson Anniversary Day", :regions => [:nz_ak]},
-            {:mday => 6, :name => "Waitangi Day", :regions => [:au]}],
+            {:mday => 6, :name => "Waitangi Day", :regions => [:nz]}],
       3 => [{:mday => 23, :observed => lambda { |date| Holidays.closest_monday(date) }, :observed_id => "closest_monday", :name => "Otago Anniversary Day", :regions => [:nz_ot]},
             {:wday => 1, :week => 2, :name => "Taranaki Anniversary Day", :regions => [:nz_ak]}],
       9 => [{:wday => 1, :week => 4, :name => "Dominion Day", :regions => [:nz_sc]}],
-      4 => [{:mday => 25, :name => "ANZAC Day", :regions => [:au]}],
+      4 => [{:mday => 25, :name => "ANZAC Day", :regions => [:nz]}],
       10 => [{:wday => 1, :week => 1, :observed => lambda { |date| Holidays.previous_friday(date) }, :observed_id => "previous_friday", :name => "Hawke's bay Anniversary Day", :regions => [:nz_hb]},
             {:wday => 1, :week => 4, :name => "Labour Day", :regions => [:nz]},
             {:wday => 1, :week => 4, :observed => lambda { |date| Holidays.next_week(date) }, :observed_id => "next_week", :name => "Marlborough Anniversary Day", :regions => [:nz_mb]}]
diff --git a/test/defs/test_defs_nz.rb b/test/defs/test_defs_nz.rb
index b6b7287..02b19d7 100644
--- a/test/defs/test_defs_nz.rb
+++ b/test/defs/test_defs_nz.rb
@@ -9,7 +9,7 @@ class NzDefinitionTests < Test::Unit::TestCase  # :nodoc:
   def test_nz
 {Date.civil(2007,1,1) => 'New Year\'s Day',
  Date.civil(2007,1,2) => 'Day after New Year\'s Day',
- Date.civil(2007,2,6) => 'Waitangi',
+ Date.civil(2007,2,6) => 'Waitangi Day',
  Date.civil(2007,4,6) => 'Good Friday',
  Date.civil(2007,4,9) => 'Easter Monday',
  Date.civil(2007,4,25) => 'ANZAC Day',