Leeds was a European Parliament constituency, centred on Leeds in the West Yorkshire area of England. Prior to its uniform adoption of proportional representation in 1999, the United Kingdom used first-past-the-post for the European elections in England, Scotland and Wales. The European Parliament constituencies used under that system were smaller than the later regional constituencies and only had one Member of the European Parliament each. In 1999, the constituency became part of the much larger Yorkshire and the Humber constituency.