A mark display unit for vehicle navigation is provided, which displays marks on a display screen. The mark display unit includes a dial selector, with a push function, a push operation thereof being associated with selecting one of categories corresponding to the number of push operations, and a rotational operation thereof being associated with selecting one of items regarding a selected category corresponding to the rotational position, and a controller configured to display on the display screen one or more of the marks according to a combination of the number of push operations and the rotational position. As the selected item is switched among the items in association with the rotational operation, the controller displays one or more of the marks assigned with the selected item, by switching a display mode of each of the marks between displayed and non-displayed modes.