Conversely, some Slavs were assimilated into other populations. Although the majority continued south, attracted by the riches of the territory which would become Bulgaria, a few remained in the Carpathian basin and were ultimately assimilated into <answer>the Magyar or Romanian population</answer>. There is a large number of river names and other placenames of Slavic origin in Romania.[better source needed]
Slavs that remained in the Carpathian basin were assimilated into who?
the Magyar or Romanian population