Tamano (玉野市, Tamano-shi) is a city located in southern Okayama Prefecture, Japan. The city was officially founded on August 3, 1940.As of May 1, 2011, the city has an estimated population of 64,980, with 27,933 households and a population density of 627.16 persons per km².The total area is 103.61 km². JR Uno Line connects it to Okayama.Before the Great Seto Bridge was opened, there was a train ferry between Uno Port in Tamano and Takamatsu on Shikoku and Tamano was the major entrance to Shikoku. Still today there are many ferry lines between Uno port and Takamatsu, Shodoshima and Naoshima Islands.s of May 1, 2011, the city has an estimated population of 64,980, with 27,933 households and a population density of 627.16 persons per km². The total area is 103.61 km². JR Uno Line connects it to Okayama.