SELECT GROUP_CONCAT(dac.id) dac_id
     , yac2.id yac_id
     , yac2.city_ukr
     , dac.name_ua
     , r.name_ua
     , ar.ua
     , obl.name_ua
     , a_obl.ru
     , yac2.nova_poshta_type
FROM dok_cities.all_cities dac
         INNER JOIN dok_cities.regions r ON r.id = dac.region_id
         INNER JOIN dok_cities.oblast obl ON obl.id = dac.oblast_id
         #INNER JOIN dok_cities.all_warehouses daw ON daw.city_id = dac.id
         INNER JOIN yii_doc.all_cities yac2 ON dac.name_ua = yac2.city_ukr
         INNER JOIN yii_doc.all_regions ar ON ar.id = yac2.region_id
         INNER JOIN yii_doc.all_oblast a_obl ON a_obl.id = yac2.oblast_id
WHERE 1=1
  AND dac.city_analytics_id IS NULL
  AND REPLACE(obl.name_ua, 'область','') = a_obl.ua
  AND r.name_ua = ar.ua
GROUP BY yac2.id
# GROUP BY dac.id
HAVING 1 = 1
   AND COUNT(yac2.id) = 1
   AND COUNT(DISTINCT dac.id) = 1;