<svg
  version="1.1"
  xmlns="http://www.w3.org/2000/svg"
  viewbox="0 0 640 640"
>
  <image href="/db/maps/Cotton_town.png" />

  <text x="275" y="445">Healing Center</text>
  <rect data-location="healing_center" x="288" y="368" width="80" height="64" stroke="red" fill="transparent" />

  <text x="470" y="573">Shop</text>
  <rect data-location="cotton_scoop" x="448" y="496" width="80" height="64" stroke="red" fill="transparent" />
</svg>