Now at its XV edition, the yearly Black Holes Workshop is an initiative of the Portuguese Society of Relativity and Gravitation.
- BHW I (Porto)
- BHW II (Lisbon)
- BHW III (Minho)
- BHW IV (Aveiro)
- BHW V (Lisbon)
- BHW VI (Minho)
- BHW VII (Aveiro)
- BHW VIII (Lisbon)
- BHW IX (Minho)
- BHW X (Aveiro)
- BHW XI (Lisbon)
- BHW XII (Minho)
- BHW XIII (Lisbon)
- BHW XIV (Aveiro)