Other solution, provided from @mmd, is to use result of fist search via id of element as area, example: rel(51490);map_to_area->.region; node(area.region)[place="city"]; out;

Other solution, provided from @mmd, is to use result of fist search via id of element as area, example: rel(51490);map_to_area->.region; node(area.region)[place="city"]; out;