Entry Residence Visa

• What do I have to consider when entering Germany?
• I need to extend my visa/residence permit: How do I proceed?
• Visa and stay: I am abroad, my visa is expiring or I have to apply for one for study purposes for the first time: how and where can I apply for an extension?
• Visa and stay: I can enter visa-free: How do I apply for the residence permit after arrival in Berlin?
• Brexit: Entry and residence as of 01.01.2021
• As a student, may I also work independently (freelance)?
• What do I do if I urgently need to extend my residence permit?