Analysis of information sources in references of the Wikipedia article "Κυρίαρχο κράτος" in Greek language version.
Article 1 of the Montevideo Convention on Rights and Duties of States, 1 lays down the most widely accepted formulation of the criteria of statehood in international law. It note that the state as an international person should possess the following qualifications: '(a) a permanent population; (b) a defined territory; (c) government; and (d) capacity to enter into relations with other states'
A sovereign state is generally defined to be any nation or people, whatever may be the form of its internal constitution, which governs itself independently of foreign powers.