Claim: The Czech Republic is a republic.
Evidence: 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.
A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch -LRB- the government -RRB- derives its legitimacy from and is accountable to the legislature -LRB- the parliament -RRB-.