Slovakia is a country in Europe.
Austria ( listen ) , is a federal republic and a landlocked country of over 8.7 million people in Central Europe . The Czech Republic ( [ ˈtʃɛkiə ] , ; Česko , [ ˈt͡ʃɛsko ] ) , is a nation state in Central Europe bordered by Germany to the west , Austria to the south , Slovakia to the east and Poland to the northeast . Poland ( Polska [ ˈpɔlska ] ) , officially the Republic of Poland ( [ Rzeczpospolita Polska , links = no ] , ) , is a parliamentary republic in Central Europe . Slovakia . 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 . Ukraine . Ukraina [ ukrɑˈjinɑ ] ) , sometimes called the Ukraine , is a sovereign state in Eastern Europe , bordered by Russia to the east and northeast , Belarus to the northwest , Poland and Slovakia to the west , Hungary , Romania , and Moldova to the southwest , and the Black Sea and Sea of Azov to the south and southeast , respectively .