diff --git a/helper/type_mapping.js b/helper/type_mapping.js
index 0b20c111..ed20c0d8 100644
--- a/helper/type_mapping.js
+++ b/helper/type_mapping.js
@@ -49,7 +49,8 @@ var LAYERS_BY_SOURCE = {
  openaddresses: [ 'address' ],
  geonames: [ 'country', 'region', 'county', 'locality', 'venue' ],
  whosonfirst: [ 'continent', 'country', 'dependency', 'macroregion', 'region',
-   'locality', 'localadmin', 'macrocounty', 'county', 'macrohood', 'neighbourhood', 'microhood', 'disputed']
+   'locality', 'localadmin', 'macrocounty', 'county', 'macrohood', 'borough',
+   'neighbourhood', 'microhood', 'disputed']
 };
 
 /*
diff --git a/test/ciao/autocomplete/layers_alias_coarse.coffee b/test/ciao/autocomplete/layers_alias_coarse.coffee
index 2fa2265c..3db308be 100644
--- a/test/ciao/autocomplete/layers_alias_coarse.coffee
+++ b/test/ciao/autocomplete/layers_alias_coarse.coffee
@@ -41,6 +41,7 @@ json.geocoding.query.layers.should.eql [ "continent",
   "macrocounty",
   "county",
   "macrohood",
+  "borough",
   "neighbourhood",
   "microhood",
   "disputed"
diff --git a/test/ciao/autocomplete/layers_invalid.coffee b/test/ciao/autocomplete/layers_invalid.coffee
index 620b5586..6f3cebe0 100644
--- a/test/ciao/autocomplete/layers_invalid.coffee
+++ b/test/ciao/autocomplete/layers_invalid.coffee
@@ -24,7 +24,7 @@ json.features.should.be.instanceof Array
 
 #? expected errors
 should.exist json.geocoding.errors
-json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,macroregion,region,county,locality,continent,macrocounty,dependency,localadmin,macrohood,neighbourhood,microhood,disputed' ]
+json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,region,county,locality,continent,dependency,macroregion,localadmin,macrocounty,macrohood,borough,neighbourhood,microhood,disputed' ]
 
 #? expected warnings
 should.not.exist json.geocoding.warnings
diff --git a/test/ciao/autocomplete/layers_mix_invalid_valid.coffee b/test/ciao/autocomplete/layers_mix_invalid_valid.coffee
index 963b79ab..a819dd44 100644
--- a/test/ciao/autocomplete/layers_mix_invalid_valid.coffee
+++ b/test/ciao/autocomplete/layers_mix_invalid_valid.coffee
@@ -24,7 +24,7 @@ json.features.should.be.instanceof Array
 
 #? expected errors
 should.exist json.geocoding.errors
-json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,macroregion,region,county,locality,continent,macrocounty,dependency,localadmin,macrohood,neighbourhood,microhood,disputed' ]
+json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,region,county,locality,continent,dependency,macroregion,localadmin,macrocounty,macrohood,borough,neighbourhood,microhood,disputed' ]
 
 #? expected warnings
 should.not.exist json.geocoding.warnings
diff --git a/test/ciao/reverse/layers_alias_coarse.coffee b/test/ciao/reverse/layers_alias_coarse.coffee
index 09c91483..40ce2e37 100644
--- a/test/ciao/reverse/layers_alias_coarse.coffee
+++ b/test/ciao/reverse/layers_alias_coarse.coffee
@@ -40,6 +40,7 @@ json.geocoding.query.layers.should.eql [ "continent",
   "macrocounty",
   "county",
   "macrohood",
+  "borough",
   "neighbourhood",
   "microhood",
   "disputed"
diff --git a/test/ciao/reverse/layers_invalid.coffee b/test/ciao/reverse/layers_invalid.coffee
index aaec4864..bc57a3b3 100644
--- a/test/ciao/reverse/layers_invalid.coffee
+++ b/test/ciao/reverse/layers_invalid.coffee
@@ -24,7 +24,7 @@ json.features.should.be.instanceof Array
 
 #? expected errors
 should.exist json.geocoding.errors
-json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,macroregion,region,county,locality,continent,macrocounty,dependency,localadmin,macrohood,neighbourhood,microhood,disputed' ]
+json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,region,county,locality,continent,dependency,macroregion,localadmin,macrocounty,macrohood,borough,neighbourhood,microhood,disputed' ]
 
 #? expected warnings
 should.not.exist json.geocoding.warnings
diff --git a/test/ciao/reverse/layers_mix_invalid_valid.coffee b/test/ciao/reverse/layers_mix_invalid_valid.coffee
index 307b225d..16f40b9e 100644
--- a/test/ciao/reverse/layers_mix_invalid_valid.coffee
+++ b/test/ciao/reverse/layers_mix_invalid_valid.coffee
@@ -24,7 +24,7 @@ json.features.should.be.instanceof Array
 
 #? expected errors
 should.exist json.geocoding.errors
-json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,macroregion,region,county,locality,continent,macrocounty,dependency,localadmin,macrohood,neighbourhood,microhood,disputed' ]
+json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,region,county,locality,continent,dependency,macroregion,localadmin,macrocounty,macrohood,borough,neighbourhood,microhood,disputed' ]
 
 #? expected warnings
 should.not.exist json.geocoding.warnings
diff --git a/test/ciao/search/layers_alias_coarse.coffee b/test/ciao/search/layers_alias_coarse.coffee
index bf7cdb52..48723853 100644
--- a/test/ciao/search/layers_alias_coarse.coffee
+++ b/test/ciao/search/layers_alias_coarse.coffee
@@ -41,6 +41,7 @@ json.geocoding.query.layers.should.eql [ "continent",
   "macrocounty",
   "county",
   "macrohood",
+  "borough",
   "neighbourhood",
   "microhood",
   "disputed"
diff --git a/test/ciao/search/layers_invalid.coffee b/test/ciao/search/layers_invalid.coffee
index 4f2da456..cc6feab8 100644
--- a/test/ciao/search/layers_invalid.coffee
+++ b/test/ciao/search/layers_invalid.coffee
@@ -24,7 +24,7 @@ json.features.should.be.instanceof Array
 
 #? expected errors
 should.exist json.geocoding.errors
-json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,macroregion,region,county,locality,continent,macrocounty,dependency,localadmin,macrohood,neighbourhood,microhood,disputed' ]
+json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,region,county,locality,continent,dependency,macroregion,localadmin,macrocounty,macrohood,borough,neighbourhood,microhood,disputed' ]
 
 #? expected warnings
 should.not.exist json.geocoding.warnings
diff --git a/test/ciao/search/layers_mix_invalid_valid.coffee b/test/ciao/search/layers_mix_invalid_valid.coffee
index f004c69e..f332e051 100644
--- a/test/ciao/search/layers_mix_invalid_valid.coffee
+++ b/test/ciao/search/layers_mix_invalid_valid.coffee
@@ -24,7 +24,7 @@ json.features.should.be.instanceof Array
 
 #? expected errors
 should.exist json.geocoding.errors
-json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,macroregion,region,county,locality,continent,macrocounty,dependency,localadmin,macrohood,neighbourhood,microhood,disputed' ]
+json.geocoding.errors.should.eql [ '\'notlayer\' is an invalid layers parameter. Valid options: coarse,address,venue,country,region,county,locality,continent,dependency,macroregion,localadmin,macrocounty,macrohood,borough,neighbourhood,microhood,disputed' ]
 
 #? expected warnings
 should.not.exist json.geocoding.warnings
diff --git a/test/unit/helper/type_mapping.js b/test/unit/helper/type_mapping.js
index 355fd4e6..a9ec4721 100644
--- a/test/unit/helper/type_mapping.js
+++ b/test/unit/helper/type_mapping.js
@@ -14,7 +14,7 @@ module.exports.tests.interfaces = function(test, common) {
     t.deepEquals(type_mapping.layer_mapping.coarse,
                  [ 'continent', 'country', 'dependency', 'macroregion',
                    'region', 'locality', 'localadmin', 'macrocounty', 'county', 'macrohood',
-                   'neighbourhood', 'microhood', 'disputed' ]);
+                   'borough', 'neighbourhood', 'microhood', 'disputed' ]);
     t.end();
   });
 
diff --git a/test/unit/sanitiser/_layers.js b/test/unit/sanitiser/_layers.js
index b9dcbd0f..a1fde0f4 100644
--- a/test/unit/sanitiser/_layers.js
+++ b/test/unit/sanitiser/_layers.js
@@ -42,8 +42,8 @@ module.exports.tests.sanitize_layers = function(test, common) {
     sanitize(raw, clean);
 
     var admin_layers = [ 'continent', 'country', 'dependency',
-    'macroregion', 'region', 'locality', 'localadmin', 'macrocounty', 'county', 'macrohood', 'neighbourhood',
-    'microhood', 'disputed' ];
+    'macroregion', 'region', 'locality', 'localadmin', 'macrocounty', 'county',
+    'macrohood', 'borough', 'neighbourhood', 'microhood', 'disputed' ];
 
     t.deepEqual(clean.layers, admin_layers, 'coarse layers set');
     t.end();
@@ -77,8 +77,8 @@ module.exports.tests.sanitize_layers = function(test, common) {
     sanitize(raw, clean);
 
     var expected_layers = [ 'continent', 'country', 'dependency',
-    'macroregion', 'region', 'locality', 'localadmin', 'macrocounty', 'county', 'macrohood', 'neighbourhood',
-    'microhood', 'disputed' ];
+    'macroregion', 'region', 'locality', 'localadmin', 'macrocounty', 'county',
+    'macrohood', 'borough', 'neighbourhood', 'microhood', 'disputed' ];
 
     t.deepEqual(clean.layers, expected_layers, 'coarse + regular layers set');
     t.end();
@@ -114,7 +114,7 @@ module.exports.tests.sanitize_layers = function(test, common) {
 
     var coarse_layers = [ 'continent',
       'country', 'dependency', 'macroregion', 'region', 'locality', 'localadmin',
-      'macrocounty', 'county', 'macrohood', 'neighbourhood', 'microhood',
+      'macrocounty', 'county', 'macrohood', 'borough', 'neighbourhood', 'microhood',
       'disputed' ];
 
     var venue_layers = [ 'venue' ];