Poland has lowlands in the north and mountains in the south, including the Carpathians, Sudetes, and Świętokrzyskie Mountains. The Baltic Sea borders Poland and connects to the Atlantic Ocean, draining through straits into the Kattegat sea. Poland's longest rivers are the Vistula, Oder, and Warta Rivers. Poland has a population of around 37.9 million people. Tenerife is located off the coast of Africa and has a mountainous landscape and dry climate that makes it a popular tourist destination. Its population is 933,402.