Coordinates: 51°29′28″N 3°10′01″W / 51.491°N 3.167°W
Plasnewydd electoral ward of Cardiff
Plasnewydd (English: New Manor) is an electoral ward of Cardiff, Wales. It falls within the parliamentary constituency of Cardiff Central. It is bounded by the wards of Cyncoed to the north; Penylan to the northeast; Adamsdown to the southwest; and Cathays to the west. It mainly covers the district of Roath. The ward population taken at the 2011 census was 18,166.