BlueChart g2 Vision HD - VEU490S - Greece West Coast & Athens - microSD/SD. Coverage: Detailed coverage of the southwestern coast of Greece from Vlore Albania to Athens Greece. Also includes detailed coverage of Preveza Patra Peloponnisos and the Cyclades east to Naxos. Premium Mapping and Graphics Capabilities. Detailed nautical charts in vector object oriented format derived from government charts and private sources to provide port plans depth contours navigational aids and tides and currents in a seamless chart presentation. Shaded depth contours and intertidal zones with spot soundings. Aerial photos of ports marinas bridges and navigational landmarks and realistic view from space high-resolution satellite imagery. Up to 1-foot HD contours provide a more accurate depiction of bottom structure for improved fishing charts and navigation in swamps canals marinas and port plans. Garmin Auto Guidance 3.0 technology is now capable of providing routing guidance to virtu