Czech Rep. is 61% larger than Slovakia.
Area: 78,867 km2 World Factbook
Population: 10,627,448 (July 2014) World Factbook
The Czech Republic is a landlocked country in Central Europe. The country is bordered by Germany to the west and north-west, Austria to the south, Slovakia to the east and Poland to the north-east. Prague is the capital and largest city, with 1.3 million residents. Wikipedia
Area: 49,035 km2 World Factbook
Population: 5,443,583 (July 2014) World Factbook
The Slovak Republic is a sovereign state in Central Europe. It has a population of over five million and an area of about 49,000 square kilometres. Slovakia is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south. Wikipedia