The Republic of Poland is a Central European country located in the heart of Europe. It is bordered by Germany to the west, the Czech Republic and Slovakia to the south, Ukraine and Belarus to the east, and the Baltic Sea and Kaliningrad Oblast, a Russian exclave,
From Wikipedia
The ethnonyms for the Poles (people) and Poland include endonyms and exonyms. Endonyms and most exonyms for Poles and Poland derive from the name of the West Slavic tribe of Polans (Polanie), while in some languages the exonyms for Poland derive from the name of another tribe – the Lendians (Lędzianie).