The Department of Magical Accidents and Catastrophes is located on the Third Level of the Ministry of Magic. This department is responsible for repairing accidental magical damage in the wizarding world. Offices include the Accidental Magic Reversal Squad, the Obliviator Headquarters, and the Muggle-Worthy Excuse Committee.

The Department for the Regulation and Control of Magical Creatures is located on the Fourth Level of the Ministry of Magic. This department is divided into three divisions (the Beast Division, the Being Division, and the Spirit Division). Offices include the Goblin Liaison Office and the Centaur Liaison Office.

The Department of International Magical Cooperation is located on the Fifth Level of the Ministry of Magic. This department is an agency that attempts to get wizards from different countries to cooperate in wizarding actions both political and public. Offices include the headquarters of the International Magical Trading Standards Body, the International Magical Office of Law, and the British seats of the International Confederation of Wizards.

The Department of Magical Transportation is located on the Sixth Level of the Ministry of Magic. This department is responsible for various aspects of magical transport. Offices include the Floo Network Authority, the Broom Regulatory Control, the Portkey Office, and the Apparition Test Centre.

The Department of Magical Games & Sports is located on the Seventh Level of the Ministry of Magic. The most relaxed department (posters for favourite Quidditch teams are found tacked to the walls), deals with organising sports events the likes of the Quidditch World Cup and the Triwizard Tournament.

The Atrium is located on the Eighth Level of the Ministry of Magic. The Atrium is a large hall with fireplaces up and down both long walls. Down the left-hand side of the hall are gilded fireplaces which witches and wizards can use to arrive at the Ministry. The right-hand side contains gilded fireplaces as well, and these are used for departures. The floor is polished dark wood. The ceiling is peacock blue with golden symbols moving across it. The Fountain of Magical Brethren lies halfway down the Atrium. A group of golden statues, depicting a wizard, a witch, a centaur, a goblin, and a house-elf, spout water into the surrounding pool of water. At the end of the Atrium is a set of golden gates, next to which is a security stand.