If you're going to Spain or Portugal, a good map is quite valuable. I've used Michelin maps for years, and I haven't gotten too lost yet. Here are some of the most popular Michelin maps of Spain and Portugal--some of the whole country, some more detailed maps of sections or regions of France. If you're going to do much driving off the main roads, the detailed maps are essential.
1. Michelin Spain & Portugal Folded Map
A good overall map covering both Spain and Portugal, useful for trip planning and driving on the main highways.
2. Michelin Castilla Y Leon Madrid Map Spain
A map for Madrid and the region that surounds it, the Castilla Y Leon.3. Rough Guide Northern Spain Map
Map with the main and secondary roads for the northern regions of Spain.4. Michelin Spain Central Map
Map for the central regions of Spain, including Madrid, Castilla-LA Mancha, and Extremadura, including the main and secondary roads.5. Michelin Spain Central Eastern Map
A road map of Central and Eastern Spain, covering the main and secondary road networks across the region.6. Portugal Travel Reference Map
From International Travel Maps, shows settlements from large cities to villages; roads (with distances in kilometers) from 4-lane highways to tracks and trails; railways (including underpasses, flyovers, and other rail features); airports; ferries; places of interest; museums; thermal baths; campsites and state-owned inns.7. Michelin Costa Brava Zoom Map
Detailed map of the Costa Brava area of Spain.8. Michelin Portugal Map
Motorist and touring map of Portugal.9. Michelin Environs De Madrid Zoom Map
Map of the city of Madrid, Spain, and the surrounding area.10. Michelin Barcelona Street Map
Detailed street map of the city of Barcelona, Spain.