Where is National Portrait Gallery?

National Portrait Gallery - British Museum National Portrait Gallery - Borough Market National Portrait Gallery - Buckingham Palace National Portrait Gallery - Chinatown National Portrait Gallery - Courtauld Gallery National Portrait Gallery - Covent Garden National Portrait Gallery - DoubleTree by Hilton Hotel London - Tower of London National Portrait Gallery - Drury Lane National Portrait Gallery - Euston station National Portrait Gallery - Fortnum & Mason National Portrait Gallery - Garden Museum National Portrait Gallery - Goring Hotel National Portrait Gallery - Greenwich National Portrait Gallery - Harrods National Portrait Gallery - Liberty National Portrait Gallery - Kings Cross National Portrait Gallery - King's Cross Station National Portrait Gallery - Liverpool Street Station National Portrait Gallery - London Bridge National Portrait Gallery - London Eye National Portrait Gallery - London Victoria National Portrait Gallery - Marylebone station National Portrait Gallery - London Heathrow Airport National Portrait Gallery - London Paddington Station National Portrait Gallery - Natural History Museum National Portrait Gallery - One Aldwych, London National Portrait Gallery - Oxford Circus National Portrait Gallery - Oxford Street National Portrait Gallery - Paddington National Portrait Gallery - Piccadilly Theatre National Portrait Gallery - Piccadilly Circus National Portrait Gallery - Royal Academy National Portrait Gallery - Royal Albert Hall National Portrait Gallery - Savoy Hotel National Portrait Gallery - Science Museum National Portrait Gallery - Selfridges, Oxford Street National Portrait Gallery - Sloane Square station National Portrait Gallery - St Pancras International Station National Portrait Gallery - St Paul's Cathedral National Portrait Gallery - Tate Britain National Portrait Gallery - Tate Modern National Portrait Gallery - The O2 Arena National Portrait Gallery - Tower Bridge National Portrait Gallery - Tower of London National Portrait Gallery - Vauxhall National Portrait Gallery - Waterloo Station National Portrait Gallery - Westminster Abbey