- heroesofadventure.com listing/amphitheater-of-…The Amphitheatre of Serdica was an amphitheatre in the Ancient Roman city of Ulpia Serdica, now Sofia, the capital of Bulgaria.
- vici.org vici/4141/The construction works were not timely stopped and currently a part of these remnants can be seen in the basement of the Serdica hotel.
- getyourguide.co.uk amphitheater-of-serdica-…Book your Amphitheater of Serdica tickets online! Save time and money with our best price guarantee make the most of your visit to Sofia!
- thebyzantinelegacy.com sofiaPlan of fortified city of Serdica from Ćurčić. Ruins of Serdica.jpg. Archaeological Complex and Banya Bashi Mosque. ... Amphitheater of Serdica.jpg.
- web.archive.org web/20220312151036/https://www.…Amphitheatre of Serdica, София: просмотрите отзывы (460 шт.), статьи и 380 фотографий Amphitheatre of Serdica, с рейтингом 21 на сайте...
- flickr.com photos/carolemage/4582145968/Located outside the ancient city walls near the Eastern gate the amphitheatre was an architectural ensemble with a central role in the life of Serdica.
- archaeologyinbulgaria.com 2015/07/18/bulgarian-…The amphitheater of ancient Serdica (Amphiteatrum Serdicense) was discovered in 2004 during the construction of the five star hotel Arena di Serdica.
- slowtravelblog.com serdica-lost-city/Bulgaria is one of the oldest countries in Europe, and the site of Serdica (modern day Sofia – Bulgaria’s capital city) was inhabited as early as 6,000 BC.
- brilliant-tourism.com 12519814-ruins-of-the-roman…Video: The ruins of the Roman amphitheater (Amphitheater of Serdica) description and photos - Bulgaria: Sofia.