Portman Square
City of Westminster, United Kingdom
Portman Square is a garden square in Marylebone, central London, surrounded by townhouses. It was specifically for private housing let on long leases having a ground rent by the Portman Estate, which owns the private communal gardens. It marks the western end of Wigmore Street, which connects it to Cavendish Square to the east.
Square data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).