what is the main language in czech republic
Czech language Czech (/tʃɛk/; čeština Czech pronunciation: [ˈtʃɛʃcɪna]), historically also Bohemian[6] (/boʊˈhiːmiən, bə-/;[7] lingua Bohemica in Latin), is a West Slavic language of the Czech–Slovak group.[6] Spoken by over 10 million people, it serves as the official language of the Czech Republic. Czech is closely related to Slovak, to the point of mutual intelligibility to a very high degree.[8] Like other Slavic languages, Czech is a fusional language with a rich system of morphology and relatively flexible word order. Its vocabulary has been extensively influenced by Latin[9] and German.[10]
Slovakia Slovakia (/sloʊˈvækiə, slə-, -ˈvɑː-/ ( listen);[6][7] Slovak: Slovensko [ˈsloʋensko] ( listen)), officially the Slovak Republic (Slovak: Slovenská republika,  listen (help·info)),[8] is a landlocked country in Central Europe.[9][10] It is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south. Slovakia's territory spans about 49,000 square kilometres (19,000 sq mi) and is mostly mountainous. The population is over 5 million and comprises mostly ethnic Slovaks. The capital and largest city is Bratislava. The official language is Slovak.