Business-friendly Diament is a member of a Silesian hotel chain with two other hotels in town, including one at Katowice's iconic Spodek (Flying Saucer) stadium. Comfortable, convenient and reliably friendly, it's great value for the comfort level. Booking online usually secures a lower rate.
There's a good restaurant downstairs (open noon until 10pm daily, mains 48zł to 62zł).