The Burj Khalifa is the tallest building in the world, located in Dubai, United Arab Emirates. Here’s some information related to your points:

1. **Where is it?**
- The Burj Khalifa is in Dubai, UAE.

2. **How tall is it?**
- It stands at a height of 828 meters (2,717 feet).

3. **How many floors does it have?**
- The building has 163 floors.

4. **What other world records does Burj Khalifa hold?**
- Besides being the tallest building, it also holds records for having the highest observation deck, the highest number of stories in the world, and the highest lift in the world.

If you have any further questions or need more information, feel free to ask!