This election, an alliance of Plaid Cymru, Green Party and community campaigners are standing under one name - the Common Ground Alliance. The group say their aim is to, "bring a new kind of politics to Cardiff".
The manifesto reads: "Behind the facade of glass office blocks, student halls, luxury flats and multi-storey car parks, our basic services no longer work and inequality is ever-increasing. Our independent venues and businesses are struggling and disappearing, and the quality of life in our homes and communities is declining - and much of this is because Cardiff Labour can’t get the basics right."
At the close of the last council, Plaid Cymru had no councillors, and neither did the Green Party. In the 2017 election, Plaid Cymru had three councillors elected, all who left. In total, Plaid Cymru received 42,352 votes, more than 2,000 short of the number the Lib Dems - the third biggest party got. The Green Party received 3,822 votes across the city. You can get more election news and other story updates by subscribing to our newsletters here.