Poprad is a city in northern Slovakia at the foot of the High Tatra Mountains famous for its picturesque historic centre and as a holiday resort. It is the biggest town of the Spiš region and the tenth largest city in Slovakia, with a population of approximately 55,000. The Poprad-Tatry Airport is an international airport located just outside the city. Poprad is also the starting point of the Tatra Electric Railway, a set of special narrow-gauge trains connecting the resorts in the High Tatras with each other and with Poprad. Main line trains link Poprad to other destinations in Slovakia and beyond; in particular, there are through trains running from Poprad to Prague in the Czech Republic.