There’s not exactly a “teleport to where you died” function in Minecraft, but there are a few ways to get back to where you died quickly. One way is to press the “F3” key while in-game to see your player’s location coordinates. Then, type /teleport [X Coordinate] [Z Coordinate] into the chat box, replacing the X and Z coordinates with the numbers from your F3 screen.
Another way is to use an app like JourneyMap or Dynmap to mark your death location on a map of the Minecraft world. Then, all you have to do is teleport to that location by clicking on it in the map viewer. Note that JourneyMap and Dyn