| Country Name | Sea Name | Number of Ports | * Introductions in Ports |
|---|---|---|---|
| Albania | Baltic Sea | ||
| Algeria | Baltic Sea | ||
| American Samoa | Baltic Sea | ||
| Angola | Baltic Sea | ||
| Anguilla | Baltic Sea | ||
| Antarctica | Baltic Sea | ||
| Antigua and Barbuda | Baltic Sea | ||
| Argentina | Baltic Sea | ||
| Aruba | Baltic Sea | ||
| Australia | Baltic Sea | 1 | |
| Azerbaijan | Baltic Sea | ||
| Bahamas | Baltic Sea | ||
| Bahrain | Baltic Sea | ||
| Bangladesh | Baltic Sea | ||
| Barbados | Baltic Sea | ||
| Belgium | Baltic Sea | 4 | |
| Belize | Baltic Sea | ||
| Benin | Baltic Sea | ||
| Bermuda | Baltic Sea | ||
| Bolivia | Baltic Sea |