There isn't a single, universally agreed upon "center of the world." This is because "center" can be defined in different ways, depending on what you're measuring:

* Center of landmass: The center of the world's landmass is located somewhere in Kazakhstan.

* Center of population: This is a more dynamic measurement, and the center shifts over time as populations grow and move. However, it's currently estimated to be located somewhere in China.

* Center of the Earth: This is a purely geographical concept, and it's located at the Earth's core, about 2,900 kilometers (1,800 miles) beneath the surface.

Therefore, while Jerusalem holds immense historical and religious significance, it's not considered the geographical center of the world based on any commonly accepted definition.