Poland, situated in Central Europe, is bordered by Germany, Ukraine, Russia, Belarus, the Czech Republic, Slovakia, and Lithuania. Through the Baltic Sea, it has easy access to Scandinavia. Poland is divided into 16 provinces (voivodeships), with Warsaw as the capital. The official language is Polish, and the currency is the zloty (PLN). Poland is a member of many international organisations, including, among others, the European Union (EU), the North Atlantic Treaty Organization (NATO), the World Trade Organization (WTO), and the Organisation for Economic Co-operation and Development (OECD).