Poland officially called the Republic of Poland, is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north. The total area of Poland is about 312,679 square kilometres  making it the 69th largest country in the world and the 9th largest in Europe. Poland has a population of over 38 million people,which makes it the 34th most populous country in the world and the sixth most populous member of the European Union, being its most populous post-communist member. Many study related to laparoscopy comes from the Department of Surgery, Ceynowa Hospital, Wejherowo, Poland.