When you need to plan a get-together, choose the Clarion Congress Hotel Prague in Prague, CZ located near the O2 Arena. Our smoke-free hotel is also near the Prague Castle, Old Town Square, Prague National Theatre opera house and more. Hotel amenities include free full breakfast, free wired and wireless high-speed Internet access, six hotel restaurants, a fitness center and more. All guest rooms offer desks, hair dryers, TVs, safes and more. Book now to connect with family, friends and colleagues and explore all the best at Prague hotels like our Clarion Congress Hotel Prague.