Coruscant Nightly News regularly reports on fleet locations, much to the chagrin of the Imperial Navy.
These locations are considered accurate by all reports.
Imperial II - class Star Destroyer Shadow's BladeLocation: Coruscant
Imperial II - class Star Destroyer VindicatorLocation: Wayland
Imperial I - class Star Destroyer ValiantLocation: Kessel
Imperial I - class Star Destroyer ResoluteLocation: Kuat
Victory-class Star Destroyer Mrk II SubjugatorLocation: Yinchorr
Victory-class Star Destroyer Mrk I IntrepidLocation: Fondor
Dreadnaught- class Heavy Cruiser Eye of PalpatineLocation: Coruscant
Bulk Cruiser Imperial DreamLocation: Coruscant
Loronar-class Strike Cruiser RazorLocation: Scarif
Loronar-class Strike Cruiser RelentlessLocation: Bakura
Loronar-class Strike Cruiser Kuat's PrideLocation: Kuat
Loronar-class Strike Cruiser Coruscant's PrideLocation: Wayland