The Czech Republic is a unitary parliamentary constitutional republic, in which the President is the head of state and the Prime Minister is the head of government. Executive power is exercised by the Government of the Czech Republic which reports to the lower house of Parliament. The Legislature is bicameral, with the Chamber of Deputies (Poslanecká snemovna) consisting 200 members and the Senate (Senát) consisting 81 members. Both houses together make Parliament of the Czech Republic.