Count all buildings within a province

otq_buildings_by_province.md

#Overpass Turbo Query Count all buildings within a province.

See: http://overpass-turbo.eu/s/eKL

/*count buildings by province*/

[out:csv(::"type",::"id", name, admin_level,::"count")];
area[name="Surigao del Sur"][boundary];
 rel(area)[boundary][admin_level=4];
 map_to_area;
 foreach->.d(
   (.d;);out; 
   (node(area.d)["building"];
    way(area.d)["building"];
    relation(area.d)["building"];);
   out count;
 );