diff --git a/docs/customize/Tokenizers.md b/docs/customize/Tokenizers.md
index 11c27e38b9..6199ea4252 100644
--- a/docs/customize/Tokenizers.md
+++ b/docs/customize/Tokenizers.md
@@ -229,6 +229,14 @@ The following is a list of sanitizers that are shipped with Nominatim.
     rendering:
         heading_level: 6
 
+#### tag-japanese
+
+::: nominatim.tokenizer.sanitizers.tag_japanese
+    selection:
+        members: False
+    rendering:
+        heading_level: 6
+
 #### Token Analysis
 
 Token analyzers take a full name and transform it into one or more normalized
diff --git a/nominatim/tokenizer/sanitizers/tag_japanese.py b/nominatim/tokenizer/sanitizers/tag_japanese.py
new file mode 100644
index 0000000000..3663860af9
--- /dev/null
+++ b/nominatim/tokenizer/sanitizers/tag_japanese.py
@@ -0,0 +1,117 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Nominatim. (https://nominatim.org)
+#
+# Copyright (C) 2022 by the Nominatim developer community.
+# For a full list of authors see the git log.
+"""
+This sanitizer maps OSM data to Japanese block addresses.
+It replaces blocknumber and housenumber with housenumber,
+and quarter and neighbourhood with place.
+"""
+
+
+from typing import Callable
+from typing import List, Optional
+
+from nominatim.tokenizer.sanitizers.base import ProcessInfo
+from nominatim.tokenizer.sanitizers.config import SanitizerConfig
+from nominatim.data.place_name import PlaceName
+
+def create(_: SanitizerConfig) -> Callable[[ProcessInfo], None]:
+    """Set up the sanitizer
+    """
+    return tag_japanese
+
+def reconbine_housenumber(
+    new_address: List[PlaceName],
+    tmp_housenumber: Optional[str],
+    tmp_blocknumber: Optional[str]
+) -> List[PlaceName]:
+    """ Recombine the tag of housenumber by using housenumber and blocknumber
+    """
+    if tmp_blocknumber and tmp_housenumber:
+        new_address.append(
+            PlaceName(
+                kind='housenumber',
+                name=f'{tmp_blocknumber}-{tmp_housenumber}',
+                suffix=''
+            )
+        )
+    elif tmp_blocknumber:
+        new_address.append(
+            PlaceName(
+                kind='housenumber',
+                name=tmp_blocknumber,
+                suffix=''
+            )
+        )
+    elif tmp_housenumber:
+        new_address.append(
+            PlaceName(
+                kind='housenumber',
+                name=tmp_housenumber,
+                suffix=''
+            )
+        )
+    return new_address
+
+def reconbine_place(
+    new_address: List[PlaceName],
+    tmp_neighbourhood: Optional[str],
+    tmp_quarter: Optional[str]
+) -> List[PlaceName]:
+    """ Recombine the tag of place by using neighbourhood and quarter
+    """
+    if tmp_neighbourhood and tmp_quarter:
+        new_address.append(
+            PlaceName(
+                kind='place',
+                name=f'{tmp_quarter}{tmp_neighbourhood}',
+                suffix=''
+            )
+        )
+    elif tmp_neighbourhood:
+        new_address.append(
+            PlaceName(
+                kind='place',
+                name=tmp_neighbourhood,
+                suffix=''
+            )
+        )
+    elif tmp_quarter:
+        new_address.append(
+            PlaceName(
+                kind='place',
+                name=tmp_quarter,
+                suffix=''
+            )
+        )
+    return new_address
+def tag_japanese(obj: ProcessInfo) -> None:
+    """Recombine kind of address
+    """
+    if obj.place.country_code != 'jp':
+        return
+    tmp_housenumber = None
+    tmp_blocknumber = None
+    tmp_neighbourhood = None
+    tmp_quarter = None
+
+    new_address = []
+    for item in obj.address:
+        if item.kind == 'housenumber':
+            tmp_housenumber = item.name
+        elif item.kind == 'block_number':
+            tmp_blocknumber = item.name
+        elif item.kind == 'neighbourhood':
+            tmp_neighbourhood = item.name
+        elif item.kind == 'quarter':
+            tmp_quarter = item.name
+        else:
+            new_address.append(item)
+
+    new_address = reconbine_housenumber(new_address, tmp_housenumber, tmp_blocknumber)
+    new_address = reconbine_place(new_address, tmp_neighbourhood, tmp_quarter)
+
+    obj.address = [item for item in new_address if item.name is not None]
diff --git a/settings/icu-rules/unicode-digits-to-decimal.yaml b/settings/icu-rules/unicode-digits-to-decimal.yaml
index 55b3274a3a..db6c842086 100644
--- a/settings/icu-rules/unicode-digits-to-decimal.yaml
+++ b/settings/icu-rules/unicode-digits-to-decimal.yaml
@@ -1,14 +1,14 @@
-- "[𞥐𐒠߀𖭐꤀𖩠𑓐𑑐𑋰𑄶꩐꘠᱀᭐᮰᠐០᥆༠໐꧰႐᪐᪀᧐𑵐꯰᱐𑱐𑜰𑛀𑙐𑇐꧐꣐෦𑁦０𝟶𝟘𝟬𝟎𝟢₀⓿⓪⁰] > 0"
-- "[𞥑𐒡߁𖭑꤁𖩡𑓑𑑑𑋱𑄷꩑꘡᱁᭑᮱᠑១᥇༡໑꧱႑᪑᪁᧑𑵑꯱᱑𑱑𑜱𑛁𑙑𑇑꧑꣑෧𑁧１𝟷𝟙𝟭𝟏𝟣₁¹①⑴⒈❶➀➊⓵] > 1"
-- "[𞥒𐒢߂𖭒꤂𖩢𑓒𑑒𑋲𑄸꩒꘢᱂᭒᮲᠒២᥈༢໒꧲႒᪒᪂᧒𑵒꯲᱒𑱒𑜲𑛂𑙒𑇒꧒꣒෨𑁨２𝟸𝟚𝟮𝟐𝟤₂²②⑵⒉❷➁➋⓶] > 2"
-- "[𞥓𐒣߃𖭓꤃𖩣𑓓𑑓𑋳𑄹꩓꘣᱃᭓᮳᠓៣᥉༣໓꧳႓᪓᪃᧓𑵓꯳᱓𑱓𑜳𑛃𑙓𑇓꧓꣓෩𑁩３𝟹𝟛𝟯𝟑𝟥₃³③⑶⒊❸➂➌⓷] > 3"
-- "[𞥔𐒤߄𖭔꤄𖩤𑓔𑑔𑋴𑄺꩔꘤᱄᭔᮴᠔៤᥊༤໔꧴႔᪔᪄᧔𑵔꯴᱔𑱔𑜴𑛄𑙔𑇔꧔꣔෪𑁪４𝟺𝟜𝟰𝟒𝟦₄⁴④⑷⒋❹➃➍⓸] > 4"
-- "[𞥕𐒥߅𖭕꤅𖩥𑓕𑑕𑋵𑄻꩕꘥᱅᭕᮵᠕៥᥋༥໕꧵႕᪕᪅᧕𑵕꯵᱕𑱕𑜵𑛅𑙕𑇕꧕꣕෫𑁫５𝟻𝟝𝟱𝟓𝟧₅⁵⑤⑸⒌❺➄➎⓹] > 5"
-- "[𞥖𐒦߆𖭖꤆𖩦𑓖𑑖𑋶𑄼꩖꘦᱆᭖᮶᠖៦᥌༦໖꧶႖᪖᪆᧖𑵖꯶᱖𑱖𑜶𑛆𑙖𑇖꧖꣖෬𑁬６𝟼𝟞𝟲𝟔𝟨₆⁶⑥⑹⒍❻➅➏⓺] > 6"
-- "[𞥗𐒧߇𖭗꤇𖩧𑓗𑑗𑋷𑄽꩗꘧᱇᭗᮷᠗៧᥍༧໗꧷႗᪗᪇᧗𑵗꯷᱗𑱗𑜷𑛇𑙗𑇗꧗꣗෭𑁭７𝟽𝟟𝟳𝟕𝟩₇⁷⑦⑺⒎❼➆➐⓻] > 7"
-- "[𞥘𐒨߈𖭘꤈𖩨𑓘𑑘𑋸𑄾꩘꘨᱈᭘᮸᠘៨᥎༨໘꧸႘᪘᪈᧘𑵘꯸᱘𑱘𑜸𑛈𑙘𑇘꧘꣘෮𑁮８𝟾𝟠𝟴𝟖𝟪₈⁸⑧⑻⒏❽➇➑⓼] > 8"
-- "[𞥙𐒩߉𖭙꤉𖩩𑓙𑑙𑋹𑄿꩙꘩᱉᭙᮹᠙៩᥏༩໙꧹႙᪙᪉᧙𑵙꯹᱙𑱙𑜹𑛉𑙙𑇙꧙꣙෯𑁯９𝟿𝟡𝟵𝟗𝟫₉⁹⑨⑼⒐❾➈➒⓽] > 9"
-- "[𑜺⑩⑽⒑❿➉➓⓾] > '10'"
+- "[𞥐𐒠߀𖭐꤀𖩠𑓐𑑐𑋰𑄶꩐꘠᱀᭐᮰᠐០᥆༠໐꧰႐᪐᪀᧐𑵐꯰᱐𑱐𑜰𑛀𑙐𑇐꧐꣐෦𑁦０𝟶𝟘𝟬𝟎𝟢₀⓿⓪⁰零] > 0"
+- "[𞥑𐒡߁𖭑꤁𖩡𑓑𑑑𑋱𑄷꩑꘡᱁᭑᮱᠑១᥇༡໑꧱႑᪑᪁᧑𑵑꯱᱑𑱑𑜱𑛁𑙑𑇑꧑꣑෧𑁧１𝟷𝟙𝟭𝟏𝟣₁¹①⑴⒈❶➀➊⓵一] > 1"
+- "[𞥒𐒢߂𖭒꤂𖩢𑓒𑑒𑋲𑄸꩒꘢᱂᭒᮲᠒២᥈༢໒꧲႒᪒᪂᧒𑵒꯲᱒𑱒𑜲𑛂𑙒𑇒꧒꣒෨𑁨２𝟸𝟚𝟮𝟐𝟤₂²②⑵⒉❷➁➋⓶二] > 2"
+- "[𞥓𐒣߃𖭓꤃𖩣𑓓𑑓𑋳𑄹꩓꘣᱃᭓᮳᠓៣᥉༣໓꧳႓᪓᪃᧓𑵓꯳᱓𑱓𑜳𑛃𑙓𑇓꧓꣓෩𑁩３𝟹𝟛𝟯𝟑𝟥₃³③⑶⒊❸➂➌⓷三] > 3"
+- "[𞥔𐒤߄𖭔꤄𖩤𑓔𑑔𑋴𑄺꩔꘤᱄᭔᮴᠔៤᥊༤໔꧴႔᪔᪄᧔𑵔꯴᱔𑱔𑜴𑛄𑙔𑇔꧔꣔෪𑁪４𝟺𝟜𝟰𝟒𝟦₄⁴④⑷⒋❹➃➍⓸四] > 4"
+- "[𞥕𐒥߅𖭕꤅𖩥𑓕𑑕𑋵𑄻꩕꘥᱅᭕᮵᠕៥᥋༥໕꧵႕᪕᪅᧕𑵕꯵᱕𑱕𑜵𑛅𑙕𑇕꧕꣕෫𑁫５𝟻𝟝𝟱𝟓𝟧₅⁵⑤⑸⒌❺➄➎⓹五] > 5"
+- "[𞥖𐒦߆𖭖꤆𖩦𑓖𑑖𑋶𑄼꩖꘦᱆᭖᮶᠖៦᥌༦໖꧶႖᪖᪆᧖𑵖꯶᱖𑱖𑜶𑛆𑙖𑇖꧖꣖෬𑁬６𝟼𝟞𝟲𝟔𝟨₆⁶⑥⑹⒍❻➅➏⓺六] > 6"
+- "[𞥗𐒧߇𖭗꤇𖩧𑓗𑑗𑋷𑄽꩗꘧᱇᭗᮷᠗៧᥍༧໗꧷႗᪗᪇᧗𑵗꯷᱗𑱗𑜷𑛇𑙗𑇗꧗꣗෭𑁭７𝟽𝟟𝟳𝟕𝟩₇⁷⑦⑺⒎❼➆➐⓻七] > 7"
+- "[𞥘𐒨߈𖭘꤈𖩨𑓘𑑘𑋸𑄾꩘꘨᱈᭘᮸᠘៨᥎༨໘꧸႘᪘᪈᧘𑵘꯸᱘𑱘𑜸𑛈𑙘𑇘꧘꣘෮𑁮８𝟾𝟠𝟴𝟖𝟪₈⁸⑧⑻⒏❽➇➑⓼八] > 8"
+- "[𞥙𐒩߉𖭙꤉𖩩𑓙𑑙𑋹𑄿꩙꘩᱉᭙᮹᠙៩᥏༩໙꧹႙᪙᪉᧙𑵙꯹᱙𑱙𑜹𑛉𑙙𑇙꧙꣙෯𑁯９𝟿𝟡𝟵𝟗𝟫₉⁹⑨⑼⒐❾➈➒⓽九] > 9"
+- "[𑜺⑩⑽⒑❿➉➓⓾十] > '10'"
 - "[⑪⑾⒒⓫] > '11'"
 - "[⑫⑿⒓⓬] > '12'"
 - "[⑬⒀⒔⓭] > '13'"
diff --git a/settings/icu_tokenizer.yaml b/settings/icu_tokenizer.yaml
index 1fa467befe..c5a809c683 100644
--- a/settings/icu_tokenizer.yaml
+++ b/settings/icu_tokenizer.yaml
@@ -45,6 +45,7 @@ sanitizers:
       whitelist: [bg,ca,cs,da,de,el,en,es,et,eu,fi,fr,gl,hu,it,ja,mg,ms,nl,no,pl,pt,ro,ru,sk,sl,sv,tr,uk,vi]
       use-defaults: all
       mode: append
+    - step: tag-japanese
 token-analysis:
     - analyzer: generic
     - id: "@housenumber"
diff --git a/test/bdd/db/query/japanese.feature b/test/bdd/db/query/japanese.feature
new file mode 100644
index 0000000000..4960c50b4f
--- /dev/null
+++ b/test/bdd/db/query/japanese.feature
@@ -0,0 +1,30 @@
+@DB
+Feature: Searches in Japan
+    Test specifically for searches of Japanese addresses and in Japanese language.
+    @fail-legacy
+    Scenario: A block house-number is parented to the neighbourhood
+        Given the grid with origin JP
+          | 1 |   |   |   | 2 |
+          |   | 3 |   |   |   |
+          |   |   | 9 |   |   |
+          |   |   |   | 6 |   |
+        And the places
+          | osm | class   | type        | name       | geometry |
+          | W1  | highway | residential | 雉子橋通り | 1,2      |
+        And the places
+          | osm | class   | type       | housenr | addr+block_number | addr+neighbourhood | geometry |
+          | N3  | amenity | restaurant | 2       | 6                 | 2丁目              | 3        |
+        And the places
+          | osm | class | type          | name  | geometry |
+          | N9  | place | neighbourhood | 2丁目 | 9        |
+        And the places
+          | osm | class | type    | name | geometry |
+          | N6  | place | quarter | 加瀬 | 6        |
+        When importing
+        Then placex contains
+          | object | parent_place_id |
+          | N3     | N9              |
+        When sending search query "2丁目 6-2"
+        Then results contain
+          | osm |
+          | N3  |
diff --git a/test/python/tokenizer/sanitizers/test_tag_japanese.py b/test/python/tokenizer/sanitizers/test_tag_japanese.py
new file mode 100644
index 0000000000..946f137ce7
--- /dev/null
+++ b/test/python/tokenizer/sanitizers/test_tag_japanese.py
@@ -0,0 +1,80 @@
+from nominatim.data.place_info import PlaceInfo
+from nominatim.data.place_name import PlaceName
+from nominatim.tokenizer.place_sanitizer import PlaceSanitizer
+from typing import Mapping, Optional, List
+import pytest
+
+class TestTagJapanese:
+    @pytest.fixture(autouse=True)
+    def setup_country(self, def_config):
+        self.config = def_config
+
+    def run_sanitizer_on(self,type, **kwargs):
+        place = PlaceInfo({
+            'address': kwargs,
+            'country_code': 'jp'
+        })
+        sanitizer_args = {'step': 'tag-japanese'}
+        _, address = PlaceSanitizer([sanitizer_args], self.config).process_names(place)
+        tmp_list = [(p.name,p.kind) for p in address]
+        return sorted(tmp_list)
+
+    def test_on_address(self):
+        res = self.run_sanitizer_on('address', name='foo', ref='bar', ref_abc='baz')
+        assert res == [('bar','ref'),('baz','ref_abc'),('foo','name')]
+
+    def test_housenumber(self):
+        res = self.run_sanitizer_on('address', housenumber='2')
+        assert res == [('2','housenumber')]
+
+    def test_blocknumber(self):
+        res = self.run_sanitizer_on('address', block_number='6')
+        assert res == [('6','housenumber')]
+
+    def test_neighbourhood(self):
+        res = self.run_sanitizer_on('address', neighbourhood='8')
+        assert res == [('8','place')]
+
+    def test_quarter(self):
+        res = self.run_sanitizer_on('address', quarter='kase')
+        assert res==[('kase','place')]
+
+    def test_housenumber_blocknumber(self):
+        res = self.run_sanitizer_on('address', housenumber='2', block_number='6')
+        assert res == [('6-2','housenumber')]
+
+    def test_quarter_neighbourhood(self):
+        res = self.run_sanitizer_on('address', quarter='kase', neighbourhood='8')
+        assert res == [('kase8','place')]
+
+    def test_blocknumber_housenumber_quarter(self):
+        res = self.run_sanitizer_on('address', block_number='6', housenumber='2', quarter='kase')
+        assert res == [('6-2','housenumber'),('kase','place')]
+
+    def test_blocknumber_housenumber_quarter_neighbourhood(self):
+        res = self.run_sanitizer_on('address', block_number='6', housenumber='2', neighbourhood='8')
+        assert res == [('6-2','housenumber'),('8','place')]
+
+    def test_blocknumber_quarter_neighbourhood(self):
+        res = self.run_sanitizer_on('address',block_number='6', quarter='kase', neighbourhood='8')
+        assert res == [('6','housenumber'),('kase8','place')]
+
+    def test_blocknumber_quarter(self):
+        res = self.run_sanitizer_on('address',block_number='6', quarter='kase')
+        assert res == [('6','housenumber'),('kase','place')]
+
+    def test_blocknumber_neighbourhood(self):
+        res = self.run_sanitizer_on('address',block_number='6', neighbourhood='8')
+        assert res == [('6','housenumber'),('8','place')]
+
+    def test_housenumber_quarter_neighbourhood(self):
+        res = self.run_sanitizer_on('address',housenumber='2', quarter='kase', neighbourhood='8')
+        assert res == [('2','housenumber'),('kase8','place')]
+
+    def test_housenumber_quarter(self):
+        res = self.run_sanitizer_on('address',housenumber='2', quarter='kase')
+        assert res == [('2','housenumber'),('kase','place')]
+
+    def test_housenumber_blocknumber_neighbourhood_quarter(self):
+        res = self.run_sanitizer_on('address', block_number='6', housenumber='2', quarter='kase', neighbourhood='8')
+        assert res == [('6-2','housenumber'),('kase8','place')]