Czech Republic is a nation.
Czech Republic . It is a unitary parliamentary republic , has 10.5 million inhabitants and the capital and largest city is Prague , with over 1.2 million residents . It is a developed country with an advanced , high income economy and high living standards . This is a list of countries by inequality-adjusted human development index ( IHDI ) , as published by the UNDP in its 2016 Human Development Report . A nation state is a type of state that joins the political entity of a state to the cultural entity of a nation , from which it aims to derive its political legitimacy to rule and potentially its status as a sovereign state . A unitary state is a state governed as a single power in which the central government is ultimately supreme and any administrative divisions ( sub-national units ) exercise only the powers that the central government chooses to delegate .