The practice of placing in the constitution provisions relating to state symbols (emblem, flag, anthem) is satisfactory. Often accompany such regulation standards, the task is to indicate the center of which is the state capital. The desirability of such regulations is questionable, hence the question whether it is a common practice. The analysis covers the EU Member States. It is a inhomogeneous group, which should be considered as an advantage, because it allows to review the solutions. The aim is to answer the question of whether the EU countries there is a widespread practice of the constitutional establishment of the state capital, whether it is the dominant model, is it possible there are different solutions in this area, when such adjustments are redundant, whether such cases allow conclusions that can be application in practice of Polish political system.