Disposal group is a group of assets to be disposed of, by sale or otherwise, together as a group in a single transaction, and liabilities directly associated with those assets that will be transferred in the transaction. The group includes goodwill acquired in a business combination if the group is a cash-generating unit to which goodwill has been allocated in accordance with the requirements of paragraphs 80–87 of IAS 36 or if it is an operation within such a cash-generating unit.
Source: IFRS 5 Non-current Assets Held for Sale and Discontinued Operations.