Query for all Level 6 Administrative Boundaries in the UK

gb-level6-admins.overpassql

/* 
  Query for all Level 6 Administrative Boundaries in the UK
  
  England: Two-tier non-metropolitan counties, Metropolitan counties, Unitary authorities
  Scotland: council areas
  Wales: principal areas
*/

[out:json][timeout:60];

// Get the boundary of the United Kingdom
area["ISO3166-1"="GB"]->.boundaryarea;

(
  // nwr is short for Node, Way, Relation
  nwr["admin_level"="6"]["boundary"="administrative"]["wikidata"]["type"="boundary"](area.boundaryarea);
);

// Output IDs and Tags
out tags;