The Slovak Republic or simply Slovakia is a small country located in Central Europe, with population of five million. Slovakia has about 19 000 square miles (49 000 square kilometres). Slovakia was part of Czechoslovakia in the past, but since 1993 Slovakia is sovereign state again. Czech Republic and Austria border the country to the west, Poland to the north, Ukraine to the east and Hungary to the south. The largest and the capital city Bratislava in the western part of the country less than 100 kilometres from Vienna. Slovakia is a member of EU, NATO, OECD among others.