The Comarca de Las Vegas is a informal comarca, defined by the Guía de Turismo Rural y Activo, edited by Directorate General of Tourism (Consejería de Cultura y Turismo) of the Community of Madrid, it covers some 1378,13 km² and is bound geographically by three rivers Tajo, Tajuña and Jarama. The capital is Aranjuez.
the comarca comprises several villages and settlements whose surface area and population in the year 2006 was:.