Paddington Basin is an area of Paddington, London named after the nearby canal basin.
The junction of the Regent's Canal and the Grand Junction Canal is close to this point but the basin itself is the terminus of the Paddington Arm of the Grand Junction Canal. It was opened in 1801. Paddington was chosen because of its position on the New Road which led to the east, providing for onward transport. In its heyday, the basin was a major transshipment facility, and a hive of activity.
Since 2000, the basin has been the centre of a major redevelopment as part of the wider Paddington Waterside scheme and is surrounded by modern buildings.
The Wikipedia page is