they contend that the province of cebu is politically and historically known as an opposition bailiwick and of the total 952,716 registered voters in the province , 234,582 are from cebu city and 44,358 come from mandaue city , so that 278,940 electors , or close to one-third ( 1/3 ) of the entire province of cebu would be barred from voting for the provincial officials of the province of cebu .