The Chorotega (Mangue) was spoken in regions of Nicaragua and northern Costa Rica (Nicoya Peninsula and the eastern coast of the Gulf of Nicoya). The speakers of this language arrived in Costa Rica as a result of their emigration from Mexico between the 8th and 13th centuries AD (Constenla 1988, Quirós 2002), but by the 17th century they are assumed to have been very acculturated (Solórzano and Quirós 2006). This language appears to have been extinguished by the 18th century or by the mid-19th century (Quirós 1985). The descendants of this group now live in the territory of Matambu, in the Guanacaste province. Only about 612 Chorotega words from direct sources and 78 from indirect sources are preserved, along with approximately 79 sentences (Quirós 1985, 1987, 2002). The language belongs to the Oto-Manguean family (Constenla 1994, Quirós 2002). The main source for knowledge of this language is Quirós Rodríguez, Juan Santiago. 2002. Diccionario Español-Chorotega/Chorotega-Español. San José: Editorial de la Universidad de Costa Rica.