Real space can mean: In physics, space in the real world, as opposed to some mathematical space or fictional space (such as hyperspace). Three-dimensional Euclidean space Position space In mathematics, a space which is not a complex space or a momentum space. These include: Real coordinate space Real manifold Real vector space Real affine space
Real spaces can also mean: The book Real Spaces: World Art History and the Rise of Western Modernism, by David Summers.