Razlog is a town and ski resort in Razlog Municipality, Blagoevgrad Province in southwestern Bulgaria. It is situated in the Razlog Valley and was first mentioned during the reign of Byzantine emperor Basil II.

Razlog is a town with rich cultural traditions and customs kept through the centuries with the spirit of original Bulgarian values.

Two of the most significant folklore events in Bulgaria are organized and held in Razlog. These are the New Year's Kukeri holidays and the gathering for folk art "Pirin sings".

Proof for the original kukeri traditions is the insignia of honour, given to the municipality of Razlog by Henri Van der Kroon, president of the International Federation of European and Mediterranean carnival towns in May 2004. As a member of this federation, the kukeri groups from the municipality of Razlog regularly participate in the events organised by it.

Unique is the gathering for folk art "Pirin songs", which is visited on a mass scale and takes one of the leading positions in organization and artistic organization. The gathering in the "Yavorov" hut has become tradition in the recent years. The hut is one of the most visited locations in the Pirin mountain. It was built 72 years ago and during the summer season it turns out to be small for numerous tourists. Interests for the tourists are local "valevitsi, craftsmen's shops and culinary art of Razlog with the scent of the "kapama", "chumlek", "church's beans", "sugrena banitsa", etc. Of great interest are also the Easter and Christmas holiday, religious and general life customs, such as Todor's day (horse race), Voditsi (celebration of Yordan's day with throwing of a cross into water), Grandmother's day, Proshki, etc.

Nature is the greatest asset of Razlog valley. North of the town is the kingdom of the Rila National Park. Pirin rises to the south - the mountain that Slavs called "Mountain of Gods" (Perun). The Pirin National Park is included in the convention for the Preservation of World Natural and Cultural Heritage Sites. In Pirin, there are more than 100 bird species and over 1100 plant species among which is the symbol of the mountain: the edelweiss. There are 42 mammal species: chamois, bears and others.

The most precious parts of Pirin are designated reserves. "Bayuvi Dupki - Djinjiritsa" is a biosphere reserve under the auspices of UNESCO, where unique formations of white and Macedonian and Bosnian pine trees are to be found, together with more than 27 Bulgarian and 43 Balkan relict species.