Rhemaxos was an ancient king who ruled to the north of Danube

Danube

The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 around 200 BC

200 BC

Year 200 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Maximus and Cotta...

 and who was the protector of the Greek colonies in Dobruja

Dobruja

Dobruja is a historical region shared by Bulgaria and Romania, located between the lower Danube river and the Black Sea, including the Danube Delta, Romanian coast and the northernmost part of the Bulgarian coast...

, receiving a tribute from them in exchange of protection against outside attacks. It appears that the links with the Greek cities lasted a rather long period of time, as several treaties have been found.

His origin is still unknown. Most historians have suggested that he was the chieftain of a Dacian tribe union on the Romanian Plain

Romanian Plain

The Romanian Plain is located in southern Romania and the easternmost tip of Serbia. Part of the historical region of Wallachia, it is bordered by the Danube River in the east, south and west, and by the Getic Plateau in the north. Bucharest, the capital of Romania, is located in the central part...

, although there are other possibilities, such as his having been a Scythian or even a Celt from Bessarabia

Bessarabia

Bessarabia is a historical term for the geographic region in Eastern Europe bounded by the Dniester River on the east and the Prut River on the west....

.