[Ger-Poland-Volhynia] Village Karolinowka in Volhynia

[Dr. Frank Stewner]

In the St. Petersburg file, now easily readable with familysearch.com "Record search -Pilot Site", I encountered the village Karolinowka in the Schitomir parish records of 1867 on page 504 or image 5.
Next village after Karolinowka is Heimthal. 
Up to now I was thinking that both were naming the same location together with Klein- und Mittel-Carolinchen, Stara-Buda and today Yasenivka.
I have the coordinates 50 34 19 N and 28 11 20 E.
Can anyone solve the puzzle?
Frank Stewner