
Extract the answer to the question from the following context.
Question: The establishment in London is a type of what establishment, written in full?
Context: CAMRA maintains a "National Inventory" of historical notability and of architecturally and decoratively notable pubs. The National Trust owns thirty-six public houses of historic interest including the George Inn, Southwark, London and The Crown Liquor Saloon, Belfast, Northern Ireland.

public houses
