d-maps.com offers over 4000 outline maps of countries/regions of the world, each available in 6 different formats:
- GIF (Note: to acquire the image in this format, right-click on the map image and save it)
- CDR (Corel Vector Graphic Drawing)
- AI (Adobe Illustrator)
- SVG (Scalable Vector Graphics)
- WMF (Windows Meta Format)
Some maps are partially colored in, others just black and white. Maps can include just country borders, or more information like cities, provinces, hydrographic data, and more:

A small handful of historic maps as well, in an eclectic set of topics. The total number of maps is growing, so check back on a regular basis.
Related posts:
- Free Blank/Colored Map Graphics
- Free Vector Country Borders, Administrative Boundaries, And Soon More
- Quick Country Information With The World Gazetteer
- Garmin Topo Maps For Afghanistan, Baghdad
- Using GPS Utility To Import/Export GPS Data To/From Google Earth
- List Of Towns And Cities In A Country With Coordinates And Elevation
- More Online Historic Maps
- Basic Postscript And Illustrator Country Maps With Planiglobe
- Full Natural Earth Data Now Available – Free Vector And Raster Data For The Entire World
- Better Map Color Schemes With ColorBrewer

Hi Leszek
These outline maps, especially the WMF format are a great basis to use the Excel based thematice mapping tool you presented in http://freegeographytools.com/2009/creating-a-thematic-map-using-just-excel
Cheers
Askan.