Austins Guest House, a small friendly bed and breakfast in the centre of the city, 300 metres from the castle and overlooking the river. 10-minute walk along the riverbank to the main bus and train station. All the central attractions including the Millennium Stadium and the Cardiff International Arena are all within a few minutes walk. Wales Tourist Board 2 star Guest House. Latest check-in: 9.00 pm; latest check-out 10.30 am.