DiscreteUniformDistribution
DiscreteUniformDistribution[{imin,imax}] represents a discrete uniform distribution over the integers from imin to imax.
DiscreteUniformDistribution[{{imin,imax},{jmin,jmax},…}] represents a multivariate discrete uniform distribution over integers within the box {{imin,imax},{jmin,jmax},…}.
Please visit the official Wolfram Language Reference for more details and examples on core symbols.