Overpass

Regain Control area entity
1

Overpass Turbo

Samples

Find relation with center output

[out:json][timeout:25];

// Search for the relation with the name "Victoria"
relation["name"="Victoria"];
(._;>;);

// Output the center of the relation
out center;

Find surrounding housenumbers with center output

[out:json][timeout:25];
(
   way["addr:housenumber"](around:50,22.3254808,114.2105634);
);
(._;>;);
out center;