It is spoken by 12 million Czechs, most of which live in the Czech Republic, which forms the Western Branch of Slavic languages in Indo-European languages.
They were very similar to each other with Slovakia, and the two sides, who were always interacting before they were divided into two, could easily understand each other. But the new generation may have difficulty understanding rapidly changing words. Because it is fast spoken and complex, it is one of the languages that is difficult to learn. As in most Slavic languages, there are lots of different shots and freedom of the language in general. The word robot, which has been translated into all languages of the world, is the most widely known Czech word.