Lillo is a municipality and locality in the province of Toledo, within the autonomous community of Castilla-La Mancha, Spain. It lies in the central part of the country, in the region south of Madrid that forms the historic heart of Castile.
The municipality has a population of 2,493 inhabitants. As a Spanish municipality, it functions as a basic unit of local administration, with its own local government covering the town and the surrounding area.
Its location in the province of Toledo places it within one of the larger provinces of Castilla-La Mancha, a region known for its dry plains, historic towns, and agricultural landscapes. Beyond these administrative and demographic facts, the available source material provides no further detail on the town's history, economy, or landmarks.