What are the visa & residency requirements in Brussels?

"In order to visit Brussels, a visa is required for citizens of certain countries. The process of applying for a visa involves submitting an application form, providing a valid passport, and providing proof of sufficient funds to cover the duration of the stay. Depending on the purpose of the visit, additional documents may be required. In order to become a resident of Brussels, Belgium, a residence permit is required. The process of applying for residency involves submitting an application form, providing a valid passport, and providing proof of sufficient funds to cover the duration of the stay. Depending on the purpose of the stay, additional documents may be required. Additionally, applicants may need to provide proof of health insurance, proof of employment, and proof of accommodation," remarked another expat in Brussels, Belgium.