The studio setting where entrepreneurs pitch to investors on the BBC's Dragons' Den is called the den.
The name is central to the programme's visual identity and explains the title: the investors are presented as dragons, while entrepreneurs enter their domain to seek money and expertise. Contestants stand before the panel and deliver a short business presentation before answering questions about their company.
The den is more than a generic studio. It is the setting for negotiations over valuation, equity and investment terms, and its deliberately spare atmosphere helps focus attention on the pitch. A contestant may leave with a deal, without a deal, or with terms that still require completion after filming.
International versions use related imagery but may translate or adapt the terminology. In the British programme, the canonical phrase is “the den,” not boardroom or pitch room. Those alternatives describe possible business settings but are not the show's established name.