Cathays (electoral ward) Cathays (electoral ward) The Cathays ( ) electoral ward of Cardiff covers the Cathays and Castle communities and includes some or all of the following areas: Blackweir, Cardiff city centre, Cathays Park and Maindy in the parliamentary constituency of Cardiff Central. It is bounded by Gabalfa and Birchgrove to the north; Plasnewydd and Adamsdown to the east; Butetown to the south; and Riverside to the west. The River Taff forms its western boundary to where it meets the South Wales Main Line, the South Wales Main Line forms the southern boundary to where it meets the Valley Lines northbound branch,
Fairwater, Cardiff and numerous playing fields. Fairwater is the historic name of one of the canons' stalls at nearby Llandaff Cathedral. Fairwater has two secondary schools. The larger of the two, with over a thousand pupils, is the Welsh-medium Ysgol Gyfun Gymraeg Plasmawr. The other is Cantonian High School, which has nearly 700 pupils. The building in which Plasmawr stands was originally opened in 1959 as Waterhall Secondary Modern School. Pupils at the school included Martyn Woodroffe an Olympic swimming Silver Medalist in 1968 Summer Olympics in Mexico. It is on the grounds of old Cantonian lower school, but in recent times