Letná

thumb|upright|Prague Metronome on the Letná Park thumb|Letna Plain. Letná is a hill overlooking Prague historic centre and Vltava River just besides Prague Castle. It neighbours Stromovka, the largest park in Prague. The hill belongs to Holešovice and Bubeneč quarters of Prague 7.

The main part of Letná is Letná Plain (), a large empty plain and Letná Park (), which is popular for summer strolls and informal sports (inline skating and jogging being the most popular). Several rock concerts took place here, including Michael Jackson (1996), and the Rolling Stones (2003), both with an over 120,000-person audience.