Birštonas is a balneological resort and a spa town in Lithuania situated 30 km (19 mi) south of Kaunas on the right bank of the Nemunas River. Birštonas received its city rights 1529, and was appointed a city in 1966. The city is the administrative centre of the Birštonas municipality.

Birštonas holds several festivals. The Birštonas town festival is held during the second weekend of June. It features concerts, folk art exhibits, and air balloon and motorboat races.

On the last weekend of March Birštonas hosts a traditional, Lithuania's oldest international jazz festival, called Birštonas. Since 1980, the jazz festival coming here every two years have long earned the resort a name of the Lithuanian jazz Mecca.

The "Butent!" festival is an annual open-air discussion festival that takes place at the beginning of September. For two days, well-known educators, influencers and politicians gather to discuss topics recommended by festival visitors. A wide variety of topics are discussed in English and Lithuanian. The festival is free of charge.