BA´SILIS(Βάσιλις, Βασιλίς: Eth. Βασιλίτης), a town of Arcadia in the district Parrhasia, on the Alpheius, said to have been founded by the Arcadian king Cypselus, and containing a temple of the Eleusinian Demeter. It is identified by Kiepert in his map with the Cypsela mentioned by Thucydides (Thuc. 5.33). There are a few remains of Basilis near Kyparíssia. (Paus. 8.30.5; Athen. 609e.; Steph. B. s. v.;Leake, Morea, vol. 2. p. 293; Ross, Reisen im Peloponnes, vol. 1. p. 89.) [CYPSELA]