Origanum microphyllum, also known as Greek oregano or small-leaf oregano, is a species of perennial herb in the mint family (Lamiaceae). It is native to the Mediterranean region and is commonly used as a culinary herb for its aromatic leaves, which have a strong flavor similar to common oregano. Origanum microphyllum is often used in Mediterranean cuisine to flavor dishes such as meats, vegetables, and salads. Additionally, it is believed to have medicinal properties and is sometimes used in traditional herbal medicine for its potential health benefits.