The API maps and google.com/maps are different products. Maybe they reuse some code but they do not have the same features. On google.com/maps if you search for

The API maps and google.com/maps are different products. Maybe they reuse some code but they do not have the same features. On google.com/maps if you search for a teritory (like a country) you will get a red border arround that teritory. On API maps developers asked for this feature for years and it is still not available.