CAUCA(Καῦκα: Eth. Καυκαῖοι, Caucenses: Coca), a city at the extreme E. of the territory of the Vaccaei, in Hispania Tarraconensis; belonging to the conventusof Clunia; and lying on the great road from Emerita to Caesaraugusta, 22 M. P. from Nivaria and 29 M. P. from Segovia. (Appian. Hisp. 51, 89; Itin. Ant. p. 435; Plin. Nat. 3.3. s. 4; Ptol. 2.6.50; Zosim. 4.24; Geog. Rav. 4.44; Mariana, Hist. Hisp. 3.2; Florez, Esp. S. 5.14; Ukert, vol. ii. pt. 1, p. 432.)
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