Retsina is a traditional Greek wine that has been made for at least 2,000 years. It is a white or rosé wine that is resinated, meaning that small pieces of Aleppo pine resin are added to the must during fermentation. The resin is then removed, leaving behind a unique flavor that is said to have originated from the practice of sealing wine vessels, particularly amphorae, with pine resin in ancient times. The main grape variety used in the production of Retsina is Savatiano, with Assyrtiko and Rhoditis sometimes blended in, as well as other grape varieties throughout Greece.

Retsina is produced throughout Greece, with major production centers around Attica, Boeotia, and Euboea. The European Union treats the name "retsina" as a protected designation of origin and traditional appellation for Greece and parts of the southern regions of Cyprus.

While Retsina has a long history, its reputation has not always been positive. Some people have likened its flavor to turpentine, and it has been criticized for being made with poor, thin wine. However, there are producers who are taking Retsina seriously and making high-quality versions of the wine. Premium quality Retsina carries the characteristic balsamic aroma of pine, which does not inhibit grape aromas, and has a refreshing aftertaste akin to that of a carbonated refreshment.

In summary, Retsina is a traditional Greek wine that is resinated with Aleppo pine resin during fermentation. It has a unique flavor that originated from ancient practices of sealing wine vessels with pine resin. While it has been criticized in the past, there are producers who are making high-quality versions of the wine.