Refers to a pre-negotiated block of hotel rooms or other accommodation units that a travel organizer—such as a tour operator, wholesaler, or corporate client—reserves in advance for a specific period, often at a preferential rate. Within the hospitality and accommodation sector, these reserved inventories form the backbone of many package holidays, group tours, and corporate travel programs, allowing demand to be secured ahead of time while giving hotels greater predictability in occupancy and revenue.
In practice, such blocks are typically governed by contracts that define room types, dates, prices, release periods, and payment conditions. Some agreements operate on a “fixed” basis, where the contracting partner assumes a degree of risk for unsold rooms, while others follow a “free-sale” or “release-back” model, where unused rooms are returned to the hotel before a cut-off date. This mechanism enables hotels to balance wholesale and direct sales channels, optimize yield management, and tailor their distribution strategies across seasons, markets, and customer segments.
For travel professionals, these arrangements are a strategic tool: they secure guaranteed access to key properties during high-demand periods, underpin competitive package pricing, and support long-term relationships with hotel partners. In an era of sophisticated revenue management systems and dynamic pricing, the concept remains central to negotiating volume, shaping tour capacity, and ensuring that both guest experience and commercial performance align.
Example: “The tour operator confirmed its summer departures only after securing a sizable allotment of seafront rooms at the island’s flagship resort.”
Synonyms: room block, contracted inventory, reserved allocation, group allocation, pre-booked capacity.











