If you're planning to move to Brussels with a pet, there are several important things you should know and consider:

1. Pet Import Regulations: Familiarize yourself with the pet import regulations of Belgium and any specific requirements for bringing pets into Brussels. This may include vaccinations, microchipping, and obtaining an EU pet passport.
2. Microchipping and Identification: Ensure that your pet is properly microchipped and has identification tags with your contact information. This is crucial for their safety and in case they get lost.
3. Vaccinations and Health Checks: Make sure your pet is up-to-date on vaccinations, including rabies, as it is generally required for entry into Belgium. Consider scheduling a visit to the veterinarian for a health check-up before the move.
4. Pet-Friendly Accommodation: If you're renting accommodation, check if pets are allowed in your chosen property. Some landlords have restrictions or specific pet policies, so it's important to clarify this before you move.
5. Transportation: Research and plan the best transportation method for your pet to Brussels. If you're flying, check the specific airline regulations regarding pet travel, crate requirements, and any additional documentation needed.
6. Pet-Friendly Services: Familiarize yourself with the availability of pet-related services in Brussels, such as veterinarians, pet stores, grooming salons, and dog parks. It's helpful to know where you can find these services for your pet's well-being.
7. Pet Etiquette and Laws: Learn about the local pet etiquette and laws in Brussels. This includes leash laws, waste disposal regulations, and any restrictions on pet access in certain public areas.
8. Pet Health Insurance: Consider obtaining pet health insurance to ensure that your pet is covered for any unexpected medical expenses while living in Brussels.
9. Climate Considerations: Take into account the climate of Brussels and how it may affect your pet. Ensure that your pet is comfortable and adequately protected from extreme temperatures.
10. Pet Socialization: Help your pet adjust to their new environment by gradually introducing them to other pets, people, and new surroundings. Socialization is important for their well-being and adaptation.

Remember to consult official sources such as the Belgian embassy or consulate and reputable veterinary sources to get accurate and up-to-date information regarding pet regulations and requirements when moving to Brussels.