 A number of craters have been named, and are listed in the following table.There is one named regio, "Laputa Regio", and one named planitia, "Lagado Planitia"; both are named after places in "Gulliver's Travels" (the fictional Laputa, a flying island, and Lagado, imaginary capital of the fictional nation Balnibarbi).The only named ridge on Phobos is "Kepler Dorsum", named after the astronomer Johannes Kepler.