[Geocoding] [OpenStreetMap] #5215: Wrong geocoding address in city (Minsk)

[OpenStreetMap]

#5215: Wrong geocoding address in city (Minsk)
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 Reporter:  andrei_karalkou  |      Owner:  geocoding@…
     Type:  defect           |     Status:  new
 Priority:  critical         |  Milestone:
Component:  nominatim        |    Version:
 Keywords:                   |
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 I've used this request to reverse geocode addresses by lat lon:
 http://nominatim.openstreetmap.org/reverse?format=json&lat=53.931012&lon=27.634799&zoom=18&addressdetails=1
 I've had following response:
 {
   "licence" : "Data © OpenStreetMap contributors, ODbL 1.0.
 http://www.openstreetmap.org/copyright",
   "osm_id" : "305685489",
   "address" : {
     "suburb" : "Восток",
     "city" : "Minsk",
     "house_number" : "117",
     "road" : "проспект Независимости",
     "county" : "Первомайский район",
     "postcode" : "721859",
     "country" : "Belarus",
     "country_code" : "by",
     "atm" : "Приорбанк"
   },
   "lon" : "27.6344044",
   "place_id" : "1412286",
   "lat" : "53.9308222",
   "display_name" : "Приорбанк, 117, проспект Независимости, Восток, Minsk,
 Первомайский район, 721859, Belarus",
   "osm_type" : "node"
 }
 As you can see there is county field in response, but it is wrong. I tried
 to find this name on the map and and found this is administrative area
 with a4 level. According to following document
 http://wiki.openstreetmap.org/wiki/Relations/Proposed/Postal_Addresses#Address_Elements
 county level is a2.
 Why API returns county field for a4 level areas? Could you fix that pleas?
 Thank you in advance.

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Ticket URL: <https://trac.openstreetmap.org/ticket/5215>
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