Martín del Río is a municipality and locality in the province of Teruel, within the autonomous community of Aragon, Spain. It is located in the eastern part of the Iberian Peninsula, in a region characterised by an inland, continental Mediterranean climate and a landscape of hills, farmland and sparsely populated rural settlements.
Like many municipalities in Teruel province, Martín del Río is small and rural, forming part of the historic and administrative fabric of Aragon. The province of Teruel is one of the three provinces that make up Aragon, alongside Zaragoza and Huesca, and is known for its low population density and numerous small villages and towns.
Specific details about the locality's history, population, economy and landmarks are limited in the available source material, so only its administrative status and location within Aragon can be stated with confidence.