See:
Sofia, Basilica of Hagia Sophia
Nearby sites
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Amphitheatre Serdica
Amphitheatre Serdica
Bulgaria, Sofia -
Sofia, National Archaeological Museum
Bulgaria's national archaeological collection: from prehistory through the Thracian and Roman periods to Byzantine art.
Bulgaria, Sofia -
Serdica
Roman bathhouse
Bulgaria, Sofia -
Serdica. Place of birth and death of Emperor Galerius
Place of birth and death of Emperor Galerius
Bulgaria, Sofia