The center of a black hole is a region known as the singularity. It is a point in spacetime where the gravitational field of the black hole becomes infinitely strong, and the density of matter becomes infinitely high. In other words, it is the heart of the black hole, where the mass of the black hole is concentrated. According to our current understanding of general relativity, the singularity is hidden from external observation by the event horizon—a boundary beyond which nothing, not even light, can escape the gravitational pull of the black hole. The singularity itself is a point of extreme physical conditions where the laws of physics, as we currently understand them, break down. It is described as a mathematical singularity, indicating that our current theories are insufficient to describe the physics at this point. At the singularity, both the curvature of spacetime and the gravitational forces become infinite. This concept poses challenges to our understanding of the nature of space, time, and matter in extreme gravitational environments.