Please note: GARMIN mapping units come with built-in, permanent basemaps that cannot be altered. These basemaps come in a variety of global designations (ie., Atlantic basemap). Please indicate which basemap you need for your area when ordering a GARMIN mapping unit on the Internet to ensure that you purchase one with a basemap that's appropriate for your location and and needs. Factory-installed basemaps cannot be altered.

The Atlantic Highway basemap includes Europe, extreme western Russia, Africa, and the Middle East, and covers an area from N75 to S60 Latitude, W30 to E60 Longitude. Also included is a high-level worldwide map with political boundaries and major cities.

The standard map coverage for the Atlantic basemap includes:

1. Oceans, rivers and lakes (greater than 30 square miles)
2. Principal cities and a small amount of smaller cities and towns
3. Major motorways and/or interstates and principal highways
4. Political boundaries (state and international borders)
5. Large and Medium Airports
6. Urban areas greater than 200K

A. Iceland, Great Britain, Baltic States, Denmark, Germany, Benelux, France, Spain, Portugal, Switzerland, Austria, Italy and Southern Africa (up to S20 Latitude) - In addition to the standard map coverage, these areas also include:

1. Small lakes, major streams and rivers
2. Urban areas
3. Railroads
4. Regional arterial roadways
5. Exits for major motorways and/or interstates (Europe Only)
6. Small cities and towns