Tyrnavos is a town and municipality located in the Larissa regional unit of the Thessaly region in Greece. It serves as a significant local center, with the town itself being the second-largest in its regional unit.
According to the 2021 census, the municipality has a total population of 22,280 people, while 11,210 residents live specifically within the town of Tyrnavos. The river Titarisios, which is a tributary of the Pineios, flows through the town.