The see of Recanati was suppressed in 1264, and on 28 March 1265 it was united to U. (Reg. Clem. IV, n. 232). Pope Martin V, with the bull *Ex supernae maiestatis* of 19 Oct. 1422, united U. to the see of Ancona. Pope Benedict XIV, with a bull of 22 Apr. 1747, decreed that the prelates of Ancona should assume the title of bishops and counts of U.
BIBL.: Eubel, I, p. 279; P. Fi. Kehr, *Italia Pontificia*, V, Berlin 1911, pp. 200-203. Enrico Josi.