Explore Czech Republic - A Nation of 10510751 People. Czech Republic (CZ) is a diverse and thriving country spanning 78866 km² (30450 sq mi). With a population density of 133 people per km², it offers a unique blend of cultural heritage, economic opportunities, and breathtaking landscapes. Whether you're interested in tourism, business, or history, Czech Republic stands out as a global destination. Stay informed about Czech Republic’s geographic insights, demographic trends, and more. Discover why Czech Republic is a key player on the world stage today!