The people of Czech Republic are known as Czechs.
The Czech Republic was part of Czechoslovakia before that country split, forming the Czech Repuiblic and Slovakia.
Yes, Radka is a common female name in the Czech republic.
Czech Republic is landlocked so there are no bodies of water sorrounding it.
Czech Republic
Prague is the capital and largest city in the Czech Republic.
Official name is Czech REpublic but if you want you can reffer to it however you want. Some suggestions easier than Czech Republic are Czechia or Czechlands, or if you want to sound smart you can use one of historic names such as Lands of the Bohemian Crown.
Bohemia is the old name for part of what is now the Czech Republic. The currency of the Czech Republic is the Czech koruna (Czech: korun českých, abbreviation: CZK), divided into 100 haléřů.
There isn't Santa Claus in Czech Republic. The story is that the presents are delivered by baby jesus.
Prague.
Czechoslovakia.
No. The Czech Republic isn't in the Eurozone. It has its own currency. One unit is called Koruna (or crown in english). However when it joined EU it pledged to join the Eurozone "as soon as possible".