Microstates

upright=1.4|thumb|The world's five smallest sovereign states by area, from largest to smallest: San Marino, [[Tuvalu, Nauru, Monaco, and Vatican City shown in the same scale for size comparison]] thumb|Map of the smallest states in the world by population or land area

European sovereign states having very small population or very small land area

former Microstate between Russian Tsardom and Qing China