Yambol
is a town standing on the banks of the Toundja River. It dates back to Roman times when it was called Dianapolis. The town boasts Roman baths, a medieval fortress, the Saint George Church of 1737, the Saint Nicholas the Miracle Maker Church, the Roofed Market (Bezistena) of the 16th Century, Churshoum Pazar and the Eski Mosque. In the vicinity of the town, is the famous archeological sight, Kabile, which remains one of the few Thracian towns that existed in pre-Roman times.

In the village of Kabile you can visit the Birth of the Holy Virgin Convent.
Fifteen kilometres to the southeast is the Bakadjika locality and the Saint Alexander Nevski Monastery founded in the 19th Century.